gallium/util: Initialize variables in u_pack_color.h.

(cherry picked from commit 36e2074b63e3e5bc489eb74cad0cd97eafcedb40)

diff --git a/src/gallium/auxiliary/util/u_pack_color.h b/src/gallium/auxiliary/util/u_pack_color.h
index eda883b3b92ebb9ecd25570f2a2a7f5b80795f1f..9dacc6d83dbaad81c1adf53c8420d1570b0db6c2 100644 (file)
--- a/src/gallium/auxiliary/util/u_pack_color.h
+++ b/src/gallium/auxiliary/util/u_pack_color.h
@@ -302,7 +302,10 @@ util_unpack_color_ub(enum pipe_format format, const void *src,
 static INLINE void
 util_pack_color(const float rgba[4], enum pipe_format format, void *dest)
 {
-   ubyte r, g, b, a;
+   ubyte r = 0;
+   ubyte g = 0;
+   ubyte b = 0;
+   ubyte a = 0;
 
    if (pf_size_x(format) <= 8) {
       /* format uses 8-bit components or less */