[gnome-color-manager] trivial: ensure we link with -ltiff when we compile with tiff support

[Richard Hughes <rhughes src gnome org>]

commit a6f65e526ccbca9ea2ae6041287483a77301efad
Author: Richard Hughes <richard hughsie com>
Date:   Fri Feb 19 18:54:43 2010 +0000

    trivial: ensure we link with -ltiff when we compile with tiff support

 configure.ac |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 5a9be0f..35a4b0a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -155,7 +155,10 @@ PKG_CHECK_MODULES(X11, x11)
 AC_SUBST(X11_CFLAGS)
 AC_SUBST(X11_LIBS)
 
-AC_CHECK_LIB(tiff, TIFFReadRGBAImageOriented, HAVE_TIFF="yes")
+AC_CHECK_LIB(tiff, TIFFReadRGBAImageOriented,
+	     TIFF_CFLAGS=""
+	     TIFF_LIBS="-ltiff"
+	     HAVE_TIFF="yes")
 if test "x$HAVE_TIFF" != "xyes"; then
 	AC_MSG_ERROR([libtiff-devel is required for gnome-color-manager])
 fi