Fix typos identified using codespell

See https://github.com/codespell-project/codespell#readme

The following command was used:

```
codespell -q6 --skip="\
.git,\
*.json,\
./Copyright.txt,\
./Help/command/foreach.rst,\
./Help/prop_test/REQUIRED_FILES.rst,\
./Help/variable/CTEST_COVERAGE_COMMAND.rst,\
./Modules/CMakeCheckCompilerFlagCommonPatterns.cmake,\
./Modules/CMakeRCInformation.cmake,\
./Modules/Internal/CPack/NSIS.template.in,\
./Modules/FindMatlab.cmake,\
./Modules/MatlabTestsRedirect.cmake,\
./Modules/Platform/Windows-Clang.cmake,\
./Modules/Platform/Windows-Intel-Fortran.cmake,\
./Modules/Platform/Windows-MSVC.cmake,\
./Source/CMakeVersion.cmake,\
./Source/cmConvertMSBuildXMLToJSON.py,\
./Source/cmCreateTestSourceList.cxx,\
./Source/cmGlobalVisualStudio10Generator.cxx,\
./Source/cmExportBuildFileGenerator.cxx,\
./Source/cmExportInstallAndroidMKGenerator.cxx,\
./Source/cmExportInstallFileGenerator.cxx,\
./Source/cmExportSet.cxx,\
./Source/cmExportTryCompileFileGenerator.cxx,\
./Source/cmFindPackageCommand.cxx,\
./Source/cmInstallCommand.cxx,\
./Source/cmGeneratorExpressionLexer.cxx,\
./Source/cmLocalVisualStudio7Generator.cxx,\
./Source/cmOrderDirectories.cxx,\
./Source/cmTarget.cxx,\
./Source/kwsys/*,\
./Source/QtDialog/CMakeSetupDialog.ui,\
./Source/CPack/WiX/cmWIXRichTextFormatWriter.cxx,\
./Source/CTest/cmParseCoberturaCoverage.h,\
./Tests/CMakeTests/ImplicitLinkInfoTest.cmake.in,\
./Tests/RunCMake/CPack/tests/DMG_SLA/English.license.rtf,\
./Tests/RunCMake/CPack/tests/DMG_SLA/German.license.txt,\
./Tests/RunCMake/CPack/tests/DMG_SLA/German.menu.txt,\
./Tests/RunCMake/GoogleTest/xml_output.cpp,\
./Tests/RunCMake/Make/TargetMessages*,\
./Utilities/*,\
" \
-L "\
dependees,\
endwhile,\
fo,\
filetest,\
helpfull,\
nd,\
objext,\
stoll,\
supercedes,\
superceded,\
vas,\
varn,\
"
```

3 files changed, 3 insertions, 3 deletions

diff --git a/Tests/RunCMake/CPack/tests/DEB_DESCRIPTION/VerifyResult.cmake b/Tests/RunCMake/CPack/tests/DEB_DESCRIPTION/VerifyResult.cmake
index 70ad48b..6e841fc 100644
--- a/Tests/RunCMake/CPack/tests/DEB_DESCRIPTION/VerifyResult.cmake
+++ b/Tests/RunCMake/CPack/tests/DEB_DESCRIPTION/VerifyResult.cmake
@@ -34,7 +34,7 @@ set(_expected_description [[ Description: This is the summary line
   This is the Debian package multiline description.
   .
   It must be formatted properly! Otherwise, the result `*.deb`
-  package become broken and cant be installed!
+  package become broken and cannot be installed!
   .
   It may contains `;` characters (even like this `;;;;`). Example:
   .
diff --git a/Tests/RunCMake/CPack/tests/DEB_DESCRIPTION/test.cmake b/Tests/RunCMake/CPack/tests/DEB_DESCRIPTION/test.cmake
index 893eb01..2a27b46 100644
--- a/Tests/RunCMake/CPack/tests/DEB_DESCRIPTION/test.cmake
+++ b/Tests/RunCMake/CPack/tests/DEB_DESCRIPTION/test.cmake
@@ -5,7 +5,7 @@ set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "This is the summary line")
 set(_description [[This is the Debian package multiline description.
 
 It must be formatted properly! Otherwise, the result `*.deb`
-package become broken and cant be installed!
+package become broken and cannot be installed!
 
 It may contains `;` characters (even like this `;;;;`). Example:
 
diff --git a/Tests/RunCMake/CPack/tests/PROJECT_META/VerifyResult.cmake b/Tests/RunCMake/CPack/tests/PROJECT_META/VerifyResult.cmake
index b3accb5..35a93d6 100644
--- a/Tests/RunCMake/CPack/tests/PROJECT_META/VerifyResult.cmake
+++ b/Tests/RunCMake/CPack/tests/PROJECT_META/VerifyResult.cmake
@@ -13,7 +13,7 @@ function(checkPackageURL FILE TAG EXPECTED_URL)
     endif()
   endforeach()
   if(NOT _seen_url)
-    message(FATAL_ERROR "The packge `${FILE}` do not have URL as expected")
+    message(FATAL_ERROR "The package `${FILE}` do not have URL as expected")
   endif()
 endfunction()