Removed redundant GLsync definition and replaced APIENTRY with GL_APIENTRY.

src/native/common/opengles/extgl.h

@@ -79,7 +79,7 @@ THE POSSIBILITY OF SUCH DAMAGE.
 #include "extgl_types.h"
 
 /* KHR_debug callback function pointer. */
-typedef void (APIENTRY *GLDEBUGPROC)(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* message, GLvoid* userParam);
+typedef void (GL_APIENTRY *GLDEBUGPROC)(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* message, GLvoid* userParam);
 
 /* initializes everything, call this right after the rc is created. the function returns true if successful */
 extern bool extgl_Open(JNIEnv *env);

src/native/common/opengles/extgl_types.h

@@ -70,7 +70,4 @@ typedef khronos_uint64_t EGLuint64NV;
 // EGL_image_OES
 typedef void* GLeglImageOES;
 
-// We need this to compile OpenCL
-typedef struct __GLsync *   GLsync;
-
 #endif