Fix/workaround at least one class of buffer underruns in the GL plugin. Fix some bad deletes (instead of delete []). etc.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@404 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/VideoCommon/Src/Fifo.cpp

@@ -78,6 +78,11 @@ u8 FAKE_ReadFifo8()
     return videoBuffer[readptr++];
 }
 
+int FAKE_GetPosition()
+{
+    return readptr;
+}
+
 u16 FAKE_ReadFifo16()
 {
     u16 val = Common::swap16(*(u16*)(videoBuffer+readptr));