[Compat] Fix GEN WWDebug compilation

Co-authored-by: Patrick Zacharias <1475802+Fighter19@users.noreply.github.com>

Author: feliwir

Generals/Code/Libraries/Source/WWVegas/WWDebug/wwdebug.cpp

@@ -43,7 +43,11 @@
 
 
 #include "wwdebug.h"
+#ifdef _WIN32
 #include <windows.h>
+#else
+#include <errno.h>
+#endif
 //#include "win.h" can use this if allowed to see wwlib
 #include <stdlib.h>
 #include <stdarg.h>
@@ -77,7 +81,11 @@ void Convert_System_Error_To_String(int id, char* buffer, int buf_len)
 
 int Get_Last_System_Error()
 {
+#ifndef _UNIX
 	return GetLastError();
+#else
+	return errno;
+#endif
 }
 
 /***********************************************************************************************

Generals/Code/Libraries/Source/WWVegas/WWDebug/wwmemlog.cpp

@@ -38,11 +38,13 @@
  *   WWMemoryLogClass::Release_Memory -- frees memory                                          *
  * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
 
-
+#include "always.h"
 #include "wwmemlog.h"
 #include "wwdebug.h"
 #include "Vector.H"
+#ifdef _WIN32
 #include <windows.h>
+#endif
 
 #if (STEVES_NEW_CATCHER || PARAM_EDITING_ON)
 	#define DISABLE_MEMLOG	1
@@ -214,33 +216,41 @@ static bool							_MemLogAllocated = false;
 */
 void * Get_Mem_Log_Mutex(void)
 {
+#ifdef _WIN32
 	if (_MemLogMutex == NULL) {
 		_MemLogMutex=CreateMutex(NULL,false,NULL);
 		WWASSERT(_MemLogMutex);
 	}
 	return _MemLogMutex;
+#else
+	return NULL;
+#endif
 }
 
 void Lock_Mem_Log_Mutex(void)
 {
+#ifdef _WIN32
 	void * mutex = Get_Mem_Log_Mutex();
 #ifdef DEBUG_CRASHING
 	int res =
 #endif
 		WaitForSingleObject(mutex,INFINITE);
 	WWASSERT(res==WAIT_OBJECT_0);
 	_MemLogLockCounter++;
+#endif
 }
 
 void Unlock_Mem_Log_Mutex(void)
 {
+#ifdef _WIN32
 	void * mutex = Get_Mem_Log_Mutex();
 	_MemLogLockCounter--;
 #ifdef DEBUG_CRASHING
 	int res=
 #endif
 		ReleaseMutex(mutex);
 	WWASSERT(res);
+#endif
 }
 
 class MemLogMutexLockClass

Generals/Code/Libraries/Source/WWVegas/WWDebug/wwprofile.cpp

@@ -53,8 +53,9 @@
 #include "always.h"
 #include "wwprofile.h"
 #include "wwdebug.h"
+#ifdef _WIN32
 #include <windows.h>
-
+#endif
 
 
 /***********************************************************************************************