libeffects: do not use GNU old-style field designators

Not using a GNU extension improves portability

Change-Id: I4e8a0376c089828ca4fc7f1aaf3914bfd917d4c5
diff --git a/media/libeffects/preprocessing/PreProcessing.cpp b/media/libeffects/preprocessing/PreProcessing.cpp
index 25586e8..d72eaf5 100644
--- a/media/libeffects/preprocessing/PreProcessing.cpp
+++ b/media/libeffects/preprocessing/PreProcessing.cpp
@@ -1892,13 +1892,13 @@
 // This is the only symbol that needs to be exported
 __attribute__ ((visibility ("default")))
 audio_effect_library_t AUDIO_EFFECT_LIBRARY_INFO_SYM = {
-    tag : AUDIO_EFFECT_LIBRARY_TAG,
-    version : EFFECT_LIBRARY_API_VERSION,
-    name : "Audio Preprocessing Library",
-    implementor : "The Android Open Source Project",
-    create_effect : PreProcessingLib_Create,
-    release_effect : PreProcessingLib_Release,
-    get_descriptor : PreProcessingLib_GetDescriptor
+    .tag = AUDIO_EFFECT_LIBRARY_TAG,
+    .version = EFFECT_LIBRARY_API_VERSION,
+    .name = "Audio Preprocessing Library",
+    .implementor = "The Android Open Source Project",
+    .create_effect = PreProcessingLib_Create,
+    .release_effect = PreProcessingLib_Release,
+    .get_descriptor = PreProcessingLib_GetDescriptor
 };
 
 }; // extern "C"