Pre-release version bump

Also squash some warnings and correct the variable name in RELEASING.

RELEASING

@@ -19,7 +19,7 @@ Here are the steps to follow to create a new pixman release:
 
    and fix things until it passes. If your freedesktop username is
    different from your local username, then also set the variable
-   USERNAME on the commandline.
+   USER on the commandline.
 
    A very useful thing to do is to run the cairo test suite
    against pixman. This can be done by running the following

configure.ac

@@ -54,7 +54,7 @@ AC_PREREQ([2.57])
 
 m4_define([pixman_major], 0)
 m4_define([pixman_minor], 15)
-m4_define([pixman_micro], 9)
+m4_define([pixman_micro], 10)
 
 m4_define([pixman_version],[pixman_major.pixman_minor.pixman_micro])
 

pixman/pixman-private.h

@@ -560,8 +560,13 @@ _pixman_gradient_walker_pixel (GradientWalker       *walker,
 
 #define CLIP(a,b,c) ((a) < (b) ? (b) : ((a) > (c) ? (c) : (a)))
 
-#define MIN(a,b) ((a < b)? a : b)
-#define MAX(a,b) ((a > b)? a : b)
+#ifndef MIN
+#  define MIN(a,b) ((a < b)? a : b)
+#endif
+
+#ifndef MAX
+#  define MAX(a,b) ((a > b)? a : b)
+#endif
 
 #if 0
 /* FIXME: the MOD macro above is equivalent, but faster I think */