1 files changed, 2 insertions, 2 deletions
diff --git a/variable.c b/variable.c
index 8f07455848..70360a9f31 100644
--- a/variable.c
+++ b/variable.c
@@ -13,8 +13,8 @@
 #include "node.h"
 #include "st.h"
 
-#ifdef USE_CWGUSI
-char* strdup(const char*);
+#ifndef strdup
+char *strdup();
 #endif
 
 static st_table *rb_global_tbl;