gcal: add dependency on gettext/libintl

* If not using it, gcal will always show dates in english.
* Also link it as "cal" so it can replace the built-in one.

app-misc/gcal/gcal-3.6.3.recipe

@@ -18,6 +18,7 @@ ARCHITECTURES="x86_gcc2 x86 x86_64"
 PROVIDES="
 	gcal = $portVersion
 	cmd:gcal
+	cmd:cal
 	cmd:gcal2txt
 	cmd:tcal
 	cmd:txt2gcal
@@ -25,6 +26,7 @@ PROVIDES="
 
 REQUIRES="
 	haiku
+	lib:libintl
 	"
 
 BUILD_PREREQUIRES="
@@ -37,6 +39,7 @@ BUILD_PREREQUIRES="
 
 BUILD_REQUIRES="
 	haiku_devel
+	devel:libintl
 	"
 
 BUILD()
@@ -48,6 +51,7 @@ BUILD()
 INSTALL()
 {
 	make install
+	ln -s $binDir/gcal $binDir/cal
 }
 
 TEST()