configure.ac: disable annoying warning -Wmissing-field-initializers

It warns for all "{}" initializers.

Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

configure.ac

@@ -174,7 +174,8 @@ MAYBE_WARN="-Wall -Wextra \
 -Wstrict-aliasing=2 -Winit-self \
 -Wdeclaration-after-statement -Wold-style-definition \
 -Wno-unused-parameter \
--Wno-attributes -Wno-long-long -Winline -Wshadow"
+-Wno-attributes -Wno-long-long -Winline -Wshadow \
+-Wno-missing-field-initializers"
 
 # invalidate cached value if MAYBE_WARN has changed
 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then

intel/intel_decode.c

@@ -38,8 +38,6 @@
 #include "intel_chipset.h"
 #include "intel_bufmgr.h"
 
-/* The compiler throws ~90 warnings. Do not spam the build, until we fix them. */
-#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
 
 /* Struct for tracking drm_intel_decode state. */
 struct drm_intel_decode {