minor build fix.
diff --git a/src/file/SDL_rwops.c b/src/file/SDL_rwops.c
index 56ffb73..ffa9df4 100644
--- a/src/file/SDL_rwops.c
+++ b/src/file/SDL_rwops.c
@@ -585,7 +585,7 @@
         if (fp == NULL) {
             SDL_SetError("Couldn't open %s", file);
         } else {
-            rwops = SDL_RWFromFP(fp, 1);
+            rwops = SDL_RWFromFP(fp, SDL_TRUE);
         }
     }
 #else