[167695] problems with class loading with duplicate classes

xml.core must come before core.runtime
diff --git a/bundles/org.eclipse.wst.css.core/META-INF/MANIFEST.MF b/bundles/org.eclipse.wst.css.core/META-INF/MANIFEST.MF
index 3871710..2ec2739 100644
--- a/bundles/org.eclipse.wst.css.core/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.wst.css.core/META-INF/MANIFEST.MF
@@ -35,9 +35,9 @@
  org.eclipse.wst.css.core.internal.util;x-internal:=true,
  org.eclipse.wst.css.core.internal.util.declaration;x-internal:=true,
  org.eclipse.wst.css.core.text
-Require-Bundle: org.eclipse.core.runtime;bundle-version="[3.2.0,4.0.0)",
+Require-Bundle: org.eclipse.wst.xml.core;bundle-version="[1.1.0,1.2.0)",
+ org.eclipse.core.runtime;bundle-version="[3.2.0,4.0.0)",
  org.eclipse.core.resources;bundle-version="[3.2.0,4.0.0)",
- org.eclipse.wst.xml.core;bundle-version="[1.1.0,1.2.0)",
  org.eclipse.wst.sse.core;bundle-version="[1.1.0,1.2.0)",
  com.ibm.icu;bundle-version="[3.4.4,4.0.0)"
 Eclipse-LazyStart: true; exceptions="org.eclipse.wst.css.core.internal.contenttype"