widl [3/9]: Silence GCC warnings in generated code using Wine SEH.

[Dan Hipschman]

Apparently GCC can't tell that some variables won't be used
uninitialized with the Wine SEH, so this patches widl to initialize
them just to shut GCC up.

---
 tools/widl/typegen.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/tools/widl/typegen.c b/tools/widl/typegen.c
index bb75a0a..f09d8aa 100644
--- a/tools/widl/typegen.c
+++ b/tools/widl/typegen.c
@@ -55,6 +55,7 @@ struct expr_eval_routine
     const expr_t *expr;
 };
 
+static inline int is_base_type(unsigned char type);
 static size_t fields_memsize(const var_list_t *fields, unsigned int *align);
 static size_t write_struct_tfs(FILE *file, type_t *type, const char *name, unsigned int *tfsoff);
 static int write_embedded_types(FILE *file, const attr_list_t *attrs, type_t *type,
@@ -340,6 +341,12 @@ void write_parameters_init(FILE *file, int indent, const func_t *func)
             print_file(file, indent, "MIDL_memset(&%s, 0, sizeof %s);\n", n, n);
         else if (is_ptr(t) || is_array(t))
             print_file(file, indent, "%s = 0;\n", n);
+        else
+        {
+            assert(is_base_type(t->type));
+            print_file(file, indent, "/* Initialize these to avoid GCC warnings.  */\n");
+            print_file(file, indent, "%s = 0;\n", n);
+        }
     }
 
     fprintf(file, "\n");