Fixed bug 2638 - (Signed) Can't create signed apps in Android

Pablo Mayobre

When generating a signed app with SDL 2.0.3 an issue comes up, watching at the Error Log points out that the issue lies in the src/main/android/SDL_android_main.c where the process name is defined as "SDL_app", this name turns into an erroneous name so it should be changed to "app_process"

src/main/android/SDL_android_main.c

@@ -25,9 +25,12 @@ int Java_org_libsdl_app_SDLActivity_nativeInit(JNIEnv* env, jclass cls, jobject
     SDL_SetMainReady();
 
     /* Run the application code! */
+    /* Use the name "app_process" so PHYSFS_platformCalcBaseDir() works.
+       https://bitbucket.org/MartinFelis/love-android-sdl2/issue/23/release-build-crash-on-start
+     */
     int status;
     char *argv[2];
-    argv[0] = SDL_strdup("SDL_app");
+    argv[0] = SDL_strdup("app_process");
     argv[1] = NULL;
     status = SDL_main(1, argv);