Bump the number of warnings

Change-Id: I7a59383eb0f3fd4c16441e1984054a98277a960b
Reviewed-on: http://gerrit.dmdirc.com/1790
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>

nbproject/project.properties

@@ -29,7 +29,7 @@ excludes=
 includes=**
 jar.compress=false
 # Space-separated list of extra javac options
-javac.compilerargs=-Xlint:all -Xmaxerrs 1000
+javac.compilerargs=-Xlint:all -Xmaxerrs 1000 -Xmaxwarns 1000
 javac.deprecation=true
 javac.source=1.6
 javac.target=1.6