meson: fix libintl detection

Related to D12291

meson.build

@@ -66,9 +66,13 @@ edj_files = []
 if get_option('nls') == true
   subdir('po')
   # need both cause libintl may be included in glibc or not
-  terminology_dependencies += dependency('intl', required: false)
+  dep = dependency('intl', required: false)
+  if dep.found()
+    terminology_dependencies += dep
+  else
     terminology_dependencies += cc.find_library('intl', required: false)
   endif
+endif
 
 foreach efl_dep: efl_deps
   dep = dependency(efl_dep, version: '>=' + efl_version)