radeon: Initialize variables in radeon_llvm_context_init.

'type' was not fully initialized when calling lp_build_context_init.

Fixes "Uninitialized scalar variable" defect reported by Coverity.

NOTE: This is a candidate for the stable branches.

Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c

@@ -1175,7 +1175,9 @@ void radeon_llvm_context_init(struct radeon_llvm_context * ctx)
 	/* XXX: We need to revisit this.I think the correct way to do this is
 	 * to use length = 4 here and use the elem_bld for everything. */
 	type.floating = TRUE;
+	type.fixed = FALSE;
 	type.sign = TRUE;
+	type.norm = FALSE;
 	type.width = 32;
 	type.length = 1;