To fix the warning below, replace fabs with abs.

tests/util/piglit-util-gl-common.c:1240:9: warning: using floating point
absolute value function 'fabs' when argument is of integer type
[-Wabsolute-value] \
  if (fabs(probe[p] - expected[p]) >= piglit_tolerance[p]) {
                                    ^
tests/util/piglit-util-gl-common.c:1240:9: note: use function 'abs' instead
  if (fabs(probe[p] - expected[p]) >= piglit_tolerance[p]) {
      ^~~~
      abs

Signed-off-by: Chad Versace <[email protected]>
---
 tests/util/piglit-util-gl-common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/util/piglit-util-gl-common.c 
b/tests/util/piglit-util-gl-common.c
index cadf714..41fb245 100644
--- a/tests/util/piglit-util-gl-common.c
+++ b/tests/util/piglit-util-gl-common.c
@@ -1237,7 +1237,7 @@ piglit_probe_rect_rgba_int(int x, int y, int w, int h, 
const int *expected)
                        probe = &pixels[(j*w+i)*4];
 
                        for (p = 0; p < 4; ++p) {
-                               if (fabs(probe[p] - expected[p]) >= 
piglit_tolerance[p]) {
+                               if (abs(probe[p] - expected[p]) >= 
piglit_tolerance[p]) {
                                        printf("Probe color at (%d,%d)\n", x+i, 
y+j);
                                        printf("  Expected: %d %d %d %d\n",
                                               expected[0], expected[1], 
expected[2], expected[3]);
-- 
2.0.0

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