Fixed typos in class names.

bbb-common-web/src/main/java/org/bigbluebutton/presentation/handlers/AddNamespaceToSvgHandler.java

@@ -3,7 +3,7 @@ package org.bigbluebutton.presentation.handlers;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class AddNamespaceToSvgHanlder extends AbstractCommandHandler {
-    private static Logger log = LoggerFactory.getLogger(AddNamespaceToSvgHanlder.class);
+public class AddNamespaceToSvgHandler extends AbstractCommandHandler {
+    private static Logger log = LoggerFactory.getLogger(AddNamespaceToSvgHandler.class);
 
 }

bbb-common-web/src/main/java/org/bigbluebutton/presentation/handlers/Png2SvgConversionHandler.java

@@ -3,6 +3,6 @@ package org.bigbluebutton.presentation.handlers;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class Png2SvgConvertionHandler extends AbstractCommandHandler {
-    private static Logger log = LoggerFactory.getLogger(Png2SvgConvertionHandler.class);
+public class Png2SvgConversionHandler extends AbstractCommandHandler {
+    private static Logger log = LoggerFactory.getLogger(Png2SvgConversionHandler.class);
 }