Link against pango libs in static build if pango is enabled.

Thanks to Walter Meinl <wuno@lsvw.de> for the patch.
Bug #338446 r=bsmedberg

config/static-config.mk

@@ -119,6 +119,10 @@ ifdef MOZ_ENABLE_XFT
 STATIC_EXTRA_LIBS	+= $(MOZ_XFT_LIBS)
 endif
 
+ifdef MOZ_ENABLE_PANGO
+STATIC_EXTRA_LIBS	+= $(MOZ_PANGO_LIBS)
+endif
+
 # Component Makefile always brings in this.
 # STATIC_EXTRA_LIBS	+= $(TK_LIBS)