Fix incorrect indent.

build.xml

@@ -2092,15 +2092,14 @@ javax.swing.event, javax.swing.border"/>
             manifest="${src}/net/java/sip/communicator/impl/protocol/irc/irc.provider.manifest.mf">
             <zipfileset dir="${dest}/net/java/sip/communicator/impl/protocol/irc"
                         prefix="net/java/sip/communicator/impl/protocol/irc"/>
-            <zipfileset src="${lib.noinst}/irc-api-1.0.jar"
-        		prefix="" />
+            <zipfileset src="${lib.noinst}/irc-api-1.0.jar" prefix="" />
         </jar>
     </target>
 
     <!-- BUNDLE SLF4J -->
     <target name="bundle-slf4j">
-	<copy file="${lib.noinst}/slf4j-api-1.7.5.jar" tofile="${bundles.dest}/slf4j-api.jar"/>
-	<copy file="${lib.noinst}/slf4j-simple-1.7.5.jar" tofile="${bundles.dest}/slf4j-simple.jar"/>
+        <copy file="${lib.noinst}/slf4j-api-1.7.5.jar" tofile="${bundles.dest}/slf4j-api.jar"/>
+        <copy file="${lib.noinst}/slf4j-simple-1.7.5.jar" tofile="${bundles.dest}/slf4j-simple.jar"/>
     </target>
 
     <!-- BUNDLE-PLUGIN-IRCACCREGWIZZ -->