Fix Wundef warnings
[alexxy/gromacs.git] / src / gromacs / selection / scanner.cpp
index f4c9354ffe0cfdee7d03896951faa3647c450b53..a37f3e8cf77fd65b7dd0ab6913d1c72cd78eeb24 100644 (file)
@@ -1,6 +1,6 @@
 #line 2 "scanner.cpp"
 #line 50 "scanner.l"
-#if !_gmx_sel_yyIN_HEADER
+#if !defined _gmx_sel_yyIN_HEADER
 #include "gmxpre.h"
 #endif