Use patch instead of sed to fix extraneous comma in quesoglc pkg-config file.

win32/libs/quesoglc/Makefile

@@ -41,7 +41,7 @@ $(TOPDIR)/build/libs/lib/libGLC.la: $(PKG_SOURCEBASE)/build/libGLC.la
 	$(MAKE) -C $(PKG_SOURCEBASE)/build install-libLTLIBRARIES
 
 $(PKG_SOURCEBASE)/quesoglc.pc: $(PKG_SOURCEBASE)/config.status
-	$(MAKE) -C $(PKG_SOURCEBASE) quesoglc.pc && sed -i -e "s/,\s*$$//" $(PKG_SOURCEBASE)/quesoglc.pc # Remove extraneous comma (autoconfigure artifact)
+	$(MAKE) -C $(PKG_SOURCEBASE) quesoglc.pc
 
 $(TOPDIR)/build/libs/lib/pkgconfig/quesoglc.pc: $(PKG_SOURCEBASE)/quesoglc.pc
 	$(MAKE) -C $(PKG_SOURCEBASE) install-pkgconfigDATA

win32/libs/quesoglc/patches/pkgconfig_remove_comma.diff

@@ -0,0 +1,27 @@
+Index: $sourcebase/configure.in
+===================================================================
+--- $sourcebase/configure.in	(revision 913)
++++ $sourcebase/configure.in	(working copy)
+@@ -143,7 +143,7 @@
+   FRIBIDI_OBJ="libGLC_la-fribidi.lo libGLC_la-fribidi_char_type.lo \
+                libGLC_la-fribidi_mirroring.lo libGLC_la-fribidi_types.lo"
+ else
+-  PKGCONFIG_REQUIREMENTS="fribidi"
++  PKGCONFIG_REQUIREMENTS=", fribidi"
+ fi
+ 
+ # Checks for OpenGL and related libraries.
+Index: $sourcebase/quesoglc.pc.in
+===================================================================
+--- $sourcebase/quesoglc.pc.in	(revision 913)
++++ $sourcebase/quesoglc.pc.in	(working copy)
+@@ -9,7 +9,7 @@
+ Description: An implementation of SGI's OpenGL Character Renderer (GLC). The OpenGL Character Renderer (GLC) is a state machine that provides OpenGL programs with character rendering services via an application programming interface (API).
+ URL: http://quesoglc.sourceforge.net
+ Version: @VERSION@
+-Requires: fontconfig, freetype2, @PKGCONFIG_REQUIREMENTS@
++Requires: fontconfig, freetype2@PKGCONFIG_REQUIREMENTS@
+ Conflicts:
+ Libs: -L${libdir} -lGLC
+ Libs.private: @PKGCONFIG_LIBS_PRIVATE@
+