Use #elif instead of #else if

diff --git a/simgear/screen/extensions.hxx b/simgear/screen/extensions.hxx
index 7c97bd60fbe69dbfb382c51a530591206990c7cc..f97e0ad7b976bce23258aa340dfe7d6685fbaecb 100644 (file)
--- a/simgear/screen/extensions.hxx
+++ b/simgear/screen/extensions.hxx
@@ -54,7 +54,7 @@ bool SGIsOpenGLExtensionSupported(char *extName);
   // don't use an inline function for symbol lookup, since it is too big
   void* macosxGetGLProcAddress(const char *func);
 
-#else if !defined( WIN32 )
+#elif !defined( WIN32 )
 
   void *SGGetGLProcAddress(const char *func);