Use double quote when using cpp #warning

1 files changed, 1 insertions, 1 deletions

diff --git a/src/dir.c b/src/dir.c
index bde7f13..e5ba768 100644
--- a/src/dir.c
+++ b/src/dir.c
@@ -648,7 +648,7 @@ char *mkdir_local(const char *localroot, const char *pathname)
 #endif
   }
 #else
-#warning You need a mkdir function!
+#warning "You need a mkdir function!"
 #endif
   return localdir;
 }