glsl: Silence gcc uninitialized variable warning.

diff --git a/src/mesa/shader/slang/slang_builtin.c b/src/mesa/shader/slang/slang_builtin.c
index 289d946..4e67241 100644 (file)
--- a/src/mesa/shader/slang/slang_builtin.c
+++ b/src/mesa/shader/slang/slang_builtin.c
@@ -436,7 +436,7 @@ emit_statevars(const char *name, int array_len,
                struct gl_program_parameter_list *paramList)
 {
    if (type->type == SLANG_SPEC_ARRAY) {
-      GLint i, pos;
+      GLint i, pos = -1;
       assert(array_len > 0);
       if (strcmp(name, "gl_ClipPlane") == 0) {
          tokens[0] = STATE_CLIPPLANE;