glsl2/builtins: Fix 1.30 sign implementation for ints.

diff --git a/src/glsl/builtins/130/sign b/src/glsl/builtins/130/sign
index 1707959..f86062a 100644 (file)
--- a/src/glsl/builtins/130/sign
+++ b/src/glsl/builtins/130/sign
@@ -2,7 +2,7 @@
    (signature int
      (parameters
        (declare (in) int x))
-     ((return (expression int / (var_ref x) (expression int abs (var_ref x))))))
+     ((return (expression int sign (var_ref x)))))
 
    (signature ivec2
      (parameters