Fixed duplicate requires manifest attribute

Author: gitblit

build.xml

@@ -76,11 +76,10 @@
 			<manifest>
 				<attribute name="plugin-id" value ="${project.artifactId}" />
 				<attribute name="plugin-version" value="${project.version}" />
-				<attribute name="plugin-requires" value="${gitblit.version}" />
 				<attribute name="plugin-description" value ="${project.description}" />
 				<attribute name="plugin-provider" value="${project.organization}" />
 				<attribute name="plugin-class" value="${project.mainclass}" />
-		        <attribute name="plugin-requires" value="${gitblit.version}" />
+        <attribute name="plugin-requires" value="${gitblit.version}" />
 				<attribute name="plugin-dependencies" value="" />
 			</manifest>
 		</mx:jar>