exynos4: gralloc: Remove non-trivial initializers to fix build

Change-Id: Id21a3506132b2be1ff5a606858d1be2dd897338d
diff --git a/exynos4/hal/libgralloc_ump/gralloc_module.cpp b/exynos4/hal/libgralloc_ump/gralloc_module.cpp
index f448f7b..27a930d 100644
--- a/exynos4/hal/libgralloc_ump/gralloc_module.cpp
+++ b/exynos4/hal/libgralloc_ump/gralloc_module.cpp
@@ -464,7 +464,6 @@
             author: "ARM Ltd.",
             methods: &gralloc_module_methods,
             dso: NULL,
-            reserved : {0,},
         },
         registerBuffer: gralloc_register_buffer,
         unregisterBuffer: gralloc_unregister_buffer,
@@ -472,7 +471,6 @@
         unlock: gralloc_unlock,
         getphys: gralloc_getphys,
         perform: NULL,
-        reserved_proc: {0,},
     },
     framebuffer: NULL,
     flags: 0,
@@ -480,5 +478,4 @@
     bufferMask: 0,
     lock: PTHREAD_MUTEX_INITIALIZER,
     currentBuffer: NULL,
-    ion_client: -1,
 };