Generalize matching of add_executable to add_XXX_executable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168490 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/UpdateCMakeLists.pl b/utils/UpdateCMakeLists.pl
index d92a767..c896ea8 100755
--- a/utils/UpdateCMakeLists.pl
+++ b/utils/UpdateCMakeLists.pl
@@ -68,7 +68,7 @@
   while(<IN>) {
     if (!$foundLibrary) {
       print OUT $_;
-      if (/^add_[^_]+_library\(/ || /^add_llvm_target\(/ || /^add_executable\(/) {
+      if (/^add_[^_]+_library\(/ || /^add_llvm_target\(/ || /^add_[^_]+_executable\(/) {
         $foundLibrary = 1;
         EmitCMakeList($dir);
       }