glsl: Make check_build_array_max_size externally visible

A future commit will try to use this function in a different file.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

src/glsl/ast.h

@@ -857,4 +857,8 @@ _mesa_ast_field_selection_to_hir(const ast_expression *expr,
 void
 emit_function(_mesa_glsl_parse_state *state, ir_function *f);
 
+extern bool
+check_builtin_array_max_size(const char *name, unsigned size,
+                             YYLTYPE loc, struct _mesa_glsl_parse_state *state);
+
 #endif /* AST_H */

src/glsl/ast_to_hir.cpp

@@ -904,7 +904,7 @@ get_scalar_boolean_operand(exec_list *instructions,
  * If name refers to a builtin array whose maximum allowed size is less than
  * size, report an error and return true.  Otherwise return false.
  */
-static bool
+bool
 check_builtin_array_max_size(const char *name, unsigned size,
                              YYLTYPE loc, struct _mesa_glsl_parse_state *state)
 {