llvmpipe: update image dump/debug code

src/gallium/drivers/llvmpipe/lp_flush.c

@@ -31,6 +31,7 @@
 
 
 #include "pipe/p_defines.h"
+#include "util/u_string.h"
 #include "draw/draw_context.h"
 #include "lp_flush.h"
 #include "lp_context.h"
@@ -71,7 +72,7 @@ llvmpipe_flush( struct pipe_context *pipe,
    }
 
    /* Enable to dump BMPs of the color/depth buffers each frame */
-#if 0
+   if (0) {
       if (flags & PIPE_FLUSH_FRAME) {
          static unsigned frame_no = 1;
          char filename[256];
@@ -89,7 +90,7 @@ llvmpipe_flush( struct pipe_context *pipe,
 
          ++frame_no;
       }
-#endif
+   }
 }