minor os/2 reorganization for iconv

src/core/os2/SDL_os2.c

@@ -23,7 +23,7 @@
 
 #if defined(__OS2__)
 
-#include "geniconv/geniconv.h"
+#include "SDL_os2.h"
 
 /* SDL_OS2Quit() will be called from SDL_QuitSubSystem() */
 void SDL_OS2Quit(void)

src/core/os2/SDL_os2.h

@@ -23,7 +23,6 @@
 
 #include "SDL_log.h"
 #include "SDL_stdinc.h"
-#include "geniconv/geniconv.h"
 
 #ifdef OS2DEBUG
 #if (OS2DEBUG-0 >= 2)
@@ -39,8 +38,8 @@
 
 #endif /* OS2DEBUG */
 
-
 /* StrUTF8New() - geniconv/sys2utf8.c */
+#include "geniconv/geniconv.h"
 #define OS2_SysToUTF8(S) StrUTF8New(1,         (S), SDL_strlen((S)) + 1)
 #define OS2_UTF8ToSys(S) StrUTF8New(0, (char *)(S), SDL_strlen((S)) + 1)
 

src/core/os2/geniconv/geniconv.h

@@ -28,7 +28,7 @@
 #ifndef GENICONV_H
 #define GENICONV_H
 
-#include <iconv.h>
+#include "iconv.h"
 
 #ifdef iconv_open
 #undef iconv_open