Source sweep: Use cmIsOn instead of cmSystemTools::IsOn

This replaces invocations of

- `cmSystemTools::IsInternallyOn` with `cmIsInternallyOn`
- `cmSystemTools::IsNOTFOUND` with `cmIsNOTFOUND`
- `cmSystemTools::IsOn` with `cmIsOn`
- `cmSystemTools::IsOff` with `cmIsOff`

1 files changed, 1 insertions, 1 deletions

diff --git a/Source/cmFindCommon.cxx b/Source/cmFindCommon.cxx
index 102ed4c09e..c5209c4c34 100644
--- a/Source/cmFindCommon.cxx
+++ b/Source/cmFindCommon.cxx
@@ -161,7 +161,7 @@ void cmFindCommon::SelectDefaultSearchModes()
   for (auto& path : search_paths) {
     const char* def = this->Makefile->GetDefinition(path.second);
     if (def) {
-      path.first = !cmSystemTools::IsOn(def);
+      path.first = !cmIsOn(def);
     }
   }
 }