Fixed case-sensitive issue
diff --git a/bundles/org.eclipse.jdt.doc.user/whatsNew/images/Unlikely5.txt b/bundles/org.eclipse.jdt.doc.user/whatsNew/images/unlikely5.txt
similarity index 100%
rename from bundles/org.eclipse.jdt.doc.user/whatsNew/images/Unlikely5.txt
rename to bundles/org.eclipse.jdt.doc.user/whatsNew/images/unlikely5.txt