outmacho: align filesize together with vmsize

According to the Mach-O spec this should not be necessary for .o
files, but it seems that we get problems with extracted dsyms if this
is not done, so do this for now -- we might be able to troubleshoot
this later.

Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

output/outmacho.c

@@ -1162,6 +1162,10 @@ static void macho_calculate_sizes (void)
 	    s->pad = ALIGN(seg_filesize, 4) - seg_filesize;
 	    s->offset = seg_filesize + s->pad;
             seg_filesize += s->size + s->pad;
+
+            /* filesize and vmsize needs to be aligned */
+            seg_vmsize += s->pad;
+
 	}
     }