haiku_secondary: provide libtiff.

This will be removed when we use the libtiff package from haikuports (as
we do for libjpeg and libpng already), but for now the lib is built and
bundled in the package, so we might as well add a provides entry for it.
The main package already does so.

src/data/package_infos/x86/haiku_secondary

@@ -19,6 +19,7 @@ flags			system_package
 
 provides {
 	haiku_%HAIKU_SECONDARY_PACKAGING_ARCH% = %HAIKU_VERSION% compat>=R1~alpha1
+	lib:libtiff_%HAIKU_SECONDARY_PACKAGING_ARCH% = 3.9.4 compat >= 3
 }
 
 requires {

src/data/package_infos/x86_gcc2/haiku_secondary

@@ -19,6 +19,7 @@ flags			system_package
 
 provides {
 	haiku_%HAIKU_SECONDARY_PACKAGING_ARCH% = %HAIKU_VERSION% compat>=R1~alpha1
+	lib:libtiff_%HAIKU_SECONDARY_PACKAGING_ARCH% = 3.9.4 compat >= 3
 }
 
 requires {