XWIKI-22200: Missing `set` from .bat scripts causes 'XWIKI_OPTS' to not be recognized (#3146)

xwiki-platform-tools/xwiki-platform-tool-jetty/xwiki-platform-tool-jetty-resources/src/main/resources/start_xwiki.bat

@@ -76,7 +76,7 @@ set XWIKI_OPTS=%XWIKI_OPTS% -Dxwiki.data.dir="%XWIKI_DATA_DIR%"
 
 REM Make sure the standard Java tmpdir is isolated per instance (by default Jetty provides applications work dir in the Java tmpdir)
 set JAVA_TMP=tmp
-XWIKI_OPTS=%XWIKI_OPTS% -Djava.io.tmpdir=%JAVA_TMP%
+set XWIKI_OPTS=%XWIKI_OPTS% -Djava.io.tmpdir=%JAVA_TMP%
 REM Make sure the Java tmpdir exist since Jenkins does not create it
 if not exist "%JAVA_TMP%" mkdir "%JAVA_TMP%"
 

xwiki-platform-tools/xwiki-platform-tool-jetty/xwiki-platform-tool-jetty-resources/src/main/resources/start_xwiki_debug.bat

@@ -90,7 +90,7 @@ set XWIKI_OPTS=%XWIKI_OPTS% -Dxwiki.data.dir="%XWIKI_DATA_DIR%"
 
 REM Make sure the standard Java tmpdir is isolated per instance (by default Jetty provides applications work dir in the Java tmpdir)
 set JAVA_TMP=tmp
-XWIKI_OPTS=%XWIKI_OPTS% -Djava.io.tmpdir="%JAVA_TMP%"
+set XWIKI_OPTS=%XWIKI_OPTS% -Djava.io.tmpdir="%JAVA_TMP%"
 REM Make sure the Java tmpdir exist since Jenkins does not create it
 if not exist "%JAVA_TMP%" mkdir "%JAVA_TMP%"