mesa: make writemask_string() non-static
diff --git a/src/mesa/shader/prog_print.h b/src/mesa/shader/prog_print.h
index 36c47e0..cd9e388 100644
--- a/src/mesa/shader/prog_print.h
+++ b/src/mesa/shader/prog_print.h
@@ -43,6 +43,9 @@
 extern const char *
 _mesa_swizzle_string(GLuint swizzle, GLuint negateBase, GLboolean extended);
 
+const char *
+_mesa_writemask_string(GLuint writeMask);
+
 extern void
 _mesa_print_alu_instruction(const struct prog_instruction *inst,
                             const char *opcode_string, GLuint numRegs);