PATCH: Export glyph to PDF from script

This script works:

    Open($1)
    Select(65)
    Export("u%U.eps")

This script fails with an "Export: Wrong number of arguments" error:

    Open($1)
    Select(65)
    Export("u%U.pdf")

The problem seems to be an off-by-one error when distinguishing vector
from bitmapped formats, and PDF is the format that's unlucky enough to
be misidentified.

I've attached a patch for your consideration.

Regards,
-- Scott

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--- fontforge/scripting.c.ORIG	2014-02-25 11:44:52.879987938 -0700
+++ fontforge/scripting.c	2014-02-25 11:45:31.073550477 -0700
@@ -2203,10 +2203,10 @@
     else
 	ScriptError( c, "Bad format (first arg must be eps/fig/xbm/bmp)");
 #endif
-    if (( format>=4 && c->a.argc!=3 ) || (format<4 && c->a.argc==3 ))
+    if (( format>4 && c->a.argc!=3 ) || (format<=4 && c->a.argc==3 ))
 	ScriptError( c, "Wrong number of arguments");
     bdf=NULL;
-    if ( format>=4 ) {
+    if ( format>4 ) {
 	for ( bdf = c->curfv->sf->bitmaps; bdf!=NULL; bdf=bdf->next )
 	    if (( BDFDepth(bdf)==1 && bdf->pixelsize==c->a.vals[2].u.ival) ||
 		    (bdf->pixelsize!=(c->a.vals[2].u.ival&0xffff) &&