Fix SDE plugin build (#4887)

Author: szekerest

CMakeLists.txt

@@ -462,13 +462,13 @@ if(WITH_SDE_PLUGIN)
   if(SDE_INCLUDE_DIR AND SDE_LIBRARY_DIR)
     include_directories(${SDE_INCLUDE_DIR})
     if(SDE_VERSION STREQUAL "91")
-      add_library(msplugin_sde91 MODULE mapsde.c mapthread.c)
-      target_link_libraries(msplugin_sde91 ${SDE_LIBRARY_DIR}/pe91.lib ${SDE_LIBRARY_DIR}/sg91.lib ${SDE_LIBRARY_DIR}/sde91.lib ${MAPSERVER_LIBMAPSERVER})
-      set_target_properties(msplugin_sde91 PROPERTIES COMPILE_FLAGS "-DUSE_SDE")
+      add_library(msplugin_sde_91 MODULE mapsde.c mapthread.c)
+      target_link_libraries(msplugin_sde_91 ${SDE_LIBRARY_DIR}/pe91.lib ${SDE_LIBRARY_DIR}/sg91.lib ${SDE_LIBRARY_DIR}/sde91.lib ${MAPSERVER_LIBMAPSERVER})
+      set_target_properties(msplugin_sde_91 PROPERTIES COMPILE_FLAGS "-DUSE_SDE -DUSE_SDE_PLUGIN")
     else(SDE_VERSION STREQUAL "91")
-      add_library(msplugin_sde92 MODULE mapsde.c mapthread.c)
-      target_link_libraries(msplugin_sde92 ${SDE_LIBRARY_DIR}/pe.lib ${SDE_LIBRARY_DIR}/sg.lib ${SDE_LIBRARY_DIR}/sde.lib ${MAPSERVER_LIBMAPSERVER})
-      set_target_properties(msplugin_sde92 PROPERTIES COMPILE_FLAGS "-DUSE_SDE")
+      add_library(msplugin_sde_92 MODULE mapsde.c mapthread.c)
+      target_link_libraries(msplugin_sde_92 ${SDE_LIBRARY_DIR}/pe.lib ${SDE_LIBRARY_DIR}/sg.lib ${SDE_LIBRARY_DIR}/sde.lib ${MAPSERVER_LIBMAPSERVER})
+      set_target_properties(msplugin_sde_92 PROPERTIES COMPILE_FLAGS "-DUSE_SDE -DUSE_SDE_PLUGIN")
     endif(SDE_VERSION STREQUAL "91")
     set(USE_SDE_PLUGIN 1)
   else(SDE_INCLUDE_DIR AND SDE_LIBRARY_DIR)