Fix bug in super interface resolving

See:
 - a873fcf7ee (commitcomment-38607082)
 - https://www.pivotaltracker.com/n/projects/1346850

headless-services/jdt-ls-extension/org.springframework.tooling.jdt.ls.commons.test/.project

@@ -20,14 +20,8 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.m2e.core.maven2Builder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
 	</buildSpec>
 	<natures>
-		<nature>org.eclipse.m2e.core.maven2Nature</nature>
 		<nature>org.eclipse.pde.PluginNature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 	</natures>

headless-services/jdt-ls-extension/org.springframework.tooling.jdt.ls.commons/src/org/springframework/tooling/jdt/ls/commons/java/JavaData.java

@@ -509,6 +509,7 @@ public class JavaData {
 					resolved[i] = names[i];
 				}
 			}
+			return resolved;
 		}
 		return null;
 	}