adding the glalphaclip variable didnt allign on 32 bit linux but worked

in 64bits. added a pad value.

source/blender/makesdna/DNA_userdef_types.h

@@ -182,7 +182,8 @@ typedef struct UserDef {
 	short recent_files;		/* maximum number of recently used files to remember  */
 	short smooth_viewtx;	/* miliseconds to spend spinning the view */
 	short glreslimit;
-	float glalphaclip;
+	float glalphaclip, pad;
+	
 } UserDef;
 
 extern UserDef U; /* from usiblender.c !!!! */