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-rw-r--r--Source/cmAuxSourceDirectoryCommand.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/cmAuxSourceDirectoryCommand.cxx b/Source/cmAuxSourceDirectoryCommand.cxx
index e8d11e2..8829da6 100644
--- a/Source/cmAuxSourceDirectoryCommand.cxx
+++ b/Source/cmAuxSourceDirectoryCommand.cxx
@@ -49,7 +49,7 @@ bool cmAuxSourceDirectoryCommand::InitialPass(std::vector<std::string> const& ar
size_t numfiles = dir.GetNumberOfFiles();
for(size_t i =0; i < numfiles; ++i)
{
- std::string file = dir.GetFile(i);
+ std::string file = dir.GetFile(static_cast<unsigned long>(i));
// Split the filename into base and extension
std::string::size_type dotpos = file.rfind(".");
if( dotpos != std::string::npos )