Pre-release version bump to 0.38.4

Signed-off-by: Matt Turner <mattst88@gmail.com>

configure.ac

@@ -54,7 +54,7 @@ AC_PREREQ([2.57])
 
 m4_define([pixman_major], 0)
 m4_define([pixman_minor], 38)
-m4_define([pixman_micro], 3)
+m4_define([pixman_micro], 4)
 
 m4_define([pixman_version],[pixman_major.pixman_minor.pixman_micro])
 

meson.build

@@ -21,7 +21,7 @@
 project(
   'pixman',
   ['c'],
-  version : '0.38.3',
+  version : '0.38.4',
   license : 'MIT',
   meson_version : '>= 0.47.2',
   default_options : ['buildtype=debugoptimized'],