Fix missing option that causes PlutoSVG examples to be added to the build system (#525)

(cherry picked from commit d72437c)

Author: Ravbug

CMakeLists.txt

@@ -374,7 +374,8 @@ if(SDLTTF_PLUTOSVG)
         message(STATUS "${PROJECT_NAME}: Using vendored plutosvg library")
         set(BUILD_SHARED_LIBS OFF)
         set(PLUTOSVG_ENABLE_FREETYPE ON CACHE BOOL "plutosvg enable freetype" FORCE)
-        set(PLUTOVG_BUILD_EXAMPLES OFF CACHE BOOL "plutosvg build examples" FORCE)
+        set(PLUTOSVG_BUILD_EXAMPLES OFF CACHE BOOL "plutosvg build examples" FORCE)
+        set(PLUTOVG_BUILD_EXAMPLES OFF CACHE BOOL "plutovg build examples" FORCE)
         sdl_check_project_in_subfolder(external/plutovg plutovg SDLTTF_VENDORED)
         add_subdirectory(external/plutovg EXCLUDE_FROM_ALL)
         sdl_check_project_in_subfolder(external/plutosvg plutosvg SDLTTF_VENDORED)