FIXED linker errors in SDL build about dbgSignal/dbgOutput

git-svn-id: https://svn.code.sf.net/p/vbam/code/trunk@445 a31d4220-a93d-0410-bf67-fe4944624d44

src/agb/GBA-arm.cpp

@@ -37,6 +37,7 @@
 #include "../elf.h"
 #include "../Util.h"
 #include "../Port.h"
+#include "../System.h"
 #include "agbprint.h"
 #ifdef PROFILING
 #include "prof/prof.h"

src/agb/GBA-thumb.cpp

@@ -37,6 +37,7 @@
 #include "../elf.h"
 #include "../Util.h"
 #include "../Port.h"
+#include "../System.h"
 #include "agbprint.h"
 #ifdef PROFILING
 #include "prof/prof.h"

src/agb/GBA.cpp

@@ -36,6 +36,7 @@
 #include "../elf.h"
 #include "../Util.h"
 #include "../Port.h"
+#include "../System.h"
 #include "agbprint.h"
 #ifdef PROFILING
 #include "prof/prof.h"

src/agb/agbprint.cpp

@@ -22,6 +22,7 @@
 #include "GBA.h"
 #include "../Globals.h"
 #include "../Port.h"
+#include "../System.h"
 
 #define debuggerWriteHalfWord(addr, value) \
   WRITE16LE((u16*)&map[(addr)>>24].address[(addr) & map[(addr)>>24].mask], (value))