[gthumb] always compile the cairo png loader

[Paolo Bacchilega <paobac src gnome org>]

commit e244de4b5b3cc7b7053f5830bee66942db27bd0c
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Mon Mar 12 22:16:36 2012 +0100

    always compile the cairo png loader
    
    [bug #671940]

 extensions/cairo_io/Makefile.am |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/extensions/cairo_io/Makefile.am b/extensions/cairo_io/Makefile.am
index 68bcf4b..d2f1bcc 100644
--- a/extensions/cairo_io/Makefile.am
+++ b/extensions/cairo_io/Makefile.am
@@ -2,14 +2,14 @@ extensiondir = $(pkglibdir)/extensions
 extension_LTLIBRARIES = libcairo_io.la
 
 libcairo_io_la_SOURCES = 	\
+	cairo-io-png.c		\
+	cairo-io-png.h		\
 	main.c
 
 if ENABLE_JPEG_TOOLS
 libcairo_io_la_SOURCES +=	\
 	cairo-io-jpeg.c		\
-	cairo-io-jpeg.h		\
-	cairo-io-png.c		\
-	cairo-io-png.h
+	cairo-io-jpeg.h
 endif
 
 if ENABLE_LIBRSVG