core, fix loading save state (svp, mapper)

diff --git a/pico/state.c b/pico/state.c
index 14e37e6..af2d4cc 100644 (file)
--- a/pico/state.c
+++ b/pico/state.c
@@ -541,7 +541,7 @@ static int state_load(void *file)
         break;\r
 #endif\r
       default:\r
-        if (len|chunk == 0)\r
+        if (!len && !chunk)\r
            goto readend;\r
         if (carthw_chunks != NULL)\r
         {\r