vulkaninfo: Remove warning msgs from json output

Messages emitted from the DbgCallback function were previously sent to
stdout. These messages are now sent to stderr and no longer affect the
validity of json output.

diff --git a/vulkaninfo/vulkaninfo.c b/vulkaninfo/vulkaninfo.c
index 6a4cceb..2e4e785 100644 (file)
--- a/vulkaninfo/vulkaninfo.c
+++ b/vulkaninfo/vulkaninfo.c
@@ -210,8 +210,8 @@ static VKAPI_ATTR VkBool32 VKAPI_CALL DbgCallback(VkFlags msgFlags, VkDebugRepor
         sprintf(message, "DEBUG: [%s] Code %d : %s", pLayerPrefix, msgCode, pMsg);
     }
 
-    printf("%s\n", message);
-    fflush(stdout);
+    fprintf(stderr, "%s\n", message);
+    fflush(stderr);
     free(message);
 
     /*