Fix: Mistakes in previous build error fix

- Fix typo in error message
- Add definition so the node actually works

source/blender/nodes/geometry/CMakeLists.txt

@@ -247,6 +247,7 @@ if(WITH_IO_STL)
     PRIVATE bf_io_common
     PRIVATE bf_io_stl
   )
+  add_definitions(-DWITH_IO_STL)
 endif()
 
 if(WITH_BULLET)

source/blender/nodes/geometry/nodes/node_geo_import_stl.cc

@@ -74,7 +74,7 @@ static void node_geo_exec(GeoNodeExecParams params)
   }
 #else
   params.error_message_add(NodeWarningType::Error,
-                           TIP_("Disabled, Blender was compiled without OpenSubdiv"));
+                           TIP_("Disabled, Blender was compiled without STL I/O"));
   params.set_default_remaining_outputs();
 #endif
 }