windows command line launcher not working, misplaced quotation mark in dspace.bat

just a trivial error but prevents the command line launcher use in windows
-if "%JAVA_OPTS%"=="" set JAVA_OPTS="-Xmx256m -Dfile.encoding=UTF-8"
should be
+if "%JAVA_OPTS%"=="" set "JAVA_OPTS=-Xmx256m -Dfile.encoding=UTF-8"