find_package: Cleanup user package registry less aggressively

Delete only REG_SZ entries that are specifically detected to point to
invalid paths.  This will allow future versions to add other value types
for different purposes.

1 files changed, 3 insertions, 4 deletions

diff --git a/Source/cmFindPackageCommand.cxx b/Source/cmFindPackageCommand.cxx
index aaf95fb..d2d3956 100644
--- a/Source/cmFindPackageCommand.cxx
+++ b/Source/cmFindPackageCommand.cxx
@@ -1308,13 +1308,12 @@ void cmFindPackageCommand::LoadPackageRegistryWin()
             {
             data[dataSize] = 0;
             cmsys_ios::stringstream ss(&data[0]);
-            if(this->CheckPackageRegistryEntry(ss))
+            if(!this->CheckPackageRegistryEntry(ss))
               {
-              // The entry is okay.
-              continue;
+              // The entry is invalid.
+              bad.insert(name);
               }
             }
-          bad.insert(name);
           break;
         case ERROR_MORE_DATA:
           data.resize(dataSize+1);