text-freetype2: Localize text file path filter

plugins/text-freetype2/data/locale/en-US.ini

 Font="Font"
 Text="Text"
 TextFile="Text File (UTF-8 or UTF-16)"
+TextFileFilter="Text Files (*.txt);;"
 ChatLogMode="Chat log mode (last 6 lines)"
 Color1="Color 1"
 Color2="Color 2"

plugins/text-freetype2/text-freetype2.c

@@ -112,7 +112,7 @@ static obs_properties_t ft2_source_properties(void)
 
 	obs_properties_add_path(props,
 		"text_file", obs_module_text("TextFile"),
-		OBS_PATH_FILE, "Text Files (*.txt);;", NULL);
+		OBS_PATH_FILE, obs_module_text("TextFileFilter"), NULL);
 
 	obs_properties_add_color(props, "color1",
 		obs_module_text("Color1"));