util: silence MSVC signed/unsigned warnings in debug_get_flags_option()

Reviewed-by: José Fonseca <jfonseca@vmware.com>

diff --git a/src/gallium/auxiliary/util/u_debug.c b/src/gallium/auxiliary/util/u_debug.c
index 6e8c5b99376cc697060afd393c118da263f61751..f4670f28c19b5e311ffaa32de2cdbf6afc3cda3f 100644 (file)
--- a/src/gallium/auxiliary/util/u_debug.c
+++ b/src/gallium/auxiliary/util/u_debug.c
@@ -232,7 +232,7 @@ debug_get_flags_option(const char *name,
    unsigned long result;
    const char *str;
    const struct debug_named_value *orig = flags;
-   int namealign = 0;
+   unsigned namealign = 0;
    
    str = os_get_option(name);
    if(!str)