[PATCH rendercheck] fix compiler warnings

[Robert Morell]

From: Matt Craighead <mcraighead at nvidia.com>

Removed redundant declarations.  Removed an unused variable.
Fixed the sign of some loop variables.

Signed-off-by: Matt Craighead <mcraighead at nvidia.com>
Signed-off-by: Robert Morell <rmorell at nvidia.com>
---
 main.c        | 3 ---
 rendercheck.h | 4 ----
 t_repeat.c    | 2 +-
 tests.c       | 2 --
 4 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/main.c b/main.c
index 5e6404cda1ad..51df7e4bc3ef 100644
--- a/main.c
+++ b/main.c
@@ -27,9 +27,6 @@
 #include <strings.h>
 #include <getopt.h>
 
-extern int num_ops;
-extern int num_colors;
-
 Bool is_verbose = FALSE, minimalrendering = FALSE;
 int enabled_tests = ~0;		/* Enable all tests by default */
 
diff --git a/rendercheck.h b/rendercheck.h
index 92ce7896ce52..18417a8efa7b 100644
--- a/rendercheck.h
+++ b/rendercheck.h
@@ -206,10 +206,6 @@ repeat_test(Display *dpy, picture_info *win, picture_info *dst, int op,
     Bool test_mask);
 
 Bool
-linear_gradient_test(Display *dpy, picture_info *win,
-    picture_info *dst, int op, picture_info *dst_color);
-
-Bool
 triangles_test(Display *dpy, picture_info *win, picture_info *dst, int op,
     picture_info *src_color, picture_info *dst_color);
 
diff --git a/t_repeat.c b/t_repeat.c
index 679bca1fd8a2..1abe542ae5f4 100644
--- a/t_repeat.c
+++ b/t_repeat.c
@@ -49,7 +49,7 @@ Bool
 repeat_test(Display *dpy, picture_info *win, picture_info *dst, int op,
     picture_info *dst_color, picture_info *c1, picture_info *c2, Bool test_mask)
 {
-	int wi, hi;
+	unsigned int wi, hi;
 
 	for (wi = 0; wi < sizeof(sizes) / sizeof(int); wi++) {
 	    int w = sizes[wi];
diff --git a/tests.c b/tests.c
index aacd14ddb1a2..bacc3724dc58 100644
--- a/tests.c
+++ b/tests.c
@@ -390,14 +390,12 @@ do_tests(Display *dpy, picture_info *win)
 		errx(1, "malloc error");
 
 	for (i = 0; i < num_colors * nformats; i++) {
-		XRenderPictureAttributes pa;
 		color4d *c = &colors[i / nformats];
 
 		/* The standard PictFormat numbers go from 0 to 4 */
 		pictures_10x10[i].format = format_list[i % nformats];
 		pictures_10x10[i].d = XCreatePixmap(dpy, DefaultRootWindow(dpy),
 		    10, 10, pictures_10x10[i].format->depth);
-		pa.repeat = TRUE;
 		pictures_10x10[i].pict = XRenderCreatePicture(dpy,
 		    pictures_10x10[i].d, pictures_10x10[i].format, 0, NULL);
 
-- 
1.8.3.2