Get linker flags for fontconfig (issue https://trac.osgeo.org/grass/ticket/1884)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@55040 15284696-431f-4ddb-bdfa-cd5b030d7da7

configure

@@ -11514,7 +11514,7 @@ CAIROLIB=
 if test -n "$USE_CAIRO"; then
 
 cairo="cairo"
-pkgs="cairo-ft cairo-fc cairo-pdf cairo-ps cairo-svg"
+pkgs="cairo-ft cairo-fc cairo-pdf cairo-ps cairo-svg fontconfig"
 if test -n "$USE_X11"; then
 	pkgs="$pkgs cairo-xlib cairo-xlib-xrender"
 fi

configure.in

@@ -1509,7 +1509,7 @@ CAIROLIB=
 if test -n "$USE_CAIRO"; then
 
 cairo="cairo"
-pkgs="cairo-ft cairo-fc cairo-pdf cairo-ps cairo-svg"
+pkgs="cairo-ft cairo-fc cairo-pdf cairo-ps cairo-svg fontconfig"
 if test -n "$USE_X11"; then
 	pkgs="$pkgs cairo-xlib cairo-xlib-xrender"
 fi