Mesa (master): gallium/util: fix 'statement with no effect' warning

[Brian Paul]

Module: Mesa
Branch: master
Commit: b14cec0b8e98195679eab5afbdba3bb47badccf2
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b14cec0b8e98195679eab5afbdba3bb47badccf2

Author: Brian Paul <brianp at vmware.com>
Date:   Fri Feb 27 12:49:29 2015 -0700

gallium/util: fix 'statement with no effect' warning

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

---

 src/gallium/auxiliary/util/u_math.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h
index 959f76e..5400fce 100644
--- a/src/gallium/auxiliary/util/u_math.h
+++ b/src/gallium/auxiliary/util/u_math.h
@@ -581,8 +581,8 @@ util_bitcount(unsigned n)
     * Requires only one iteration per set bit, instead of
     * one iteration per bit less than highest set bit.
     */
-   unsigned bits = 0;
-   for (bits; n; bits++) {
+   unsigned bits;
+   for (bits = 0; n; bits++) {
       n &= n - 1;
    }
    return bits;