gallium: Fix up scons build.
diff --git a/src/mesa/SConscript b/src/mesa/SConscript
index b816a21..a10c34c 100644
--- a/src/mesa/SConscript
+++ b/src/mesa/SConscript
@@ -184,6 +184,7 @@
 	'shader/prog_parameter.c',
 	'shader/prog_print.c',
 	'shader/prog_statevars.c',
+	'shader/prog_uniform.c',
 	'shader/programopt.c',
 	'shader/shader_api.c',
 ]