Bug 703537 - Revert accidental mozconfig change; DONTBUILD

browser/config/mozconfigs/linux32/nightly

@@ -2,7 +2,7 @@ ac_add_options --enable-update-channel=${MOZ_UPDATE_CHANNEL}
 ac_add_options --enable-update-packaging
 ac_add_options --enable-codesighs
 ac_add_options --enable-signmar
-#ac_add_options --enable-profiling
+ac_add_options --enable-profiling
 
 # Nightlies only since this has a cost in performance
 ac_add_options --enable-js-diagnostics