Issue #80 - reinstated unified building for some large chunks of our code.

This should reduce compile complexity saving time and reducing linker stress.

netwerk/dns/moz.build

@@ -28,6 +28,11 @@ EXPORTS.mozilla.net += [
 ]
 
 SOURCES += [
+    'nsEffectiveTLDService.cpp', # Excluded from UNIFIED_SOURCES due to special build flags.
+    'nsHostResolver.cpp', # Redefines LOG
+]
+
+UNIFIED_SOURCES += [
     'ChildDNSService.cpp',
     'DNS.cpp',
     'DNSListenerProxy.cpp',
@@ -35,8 +40,6 @@ SOURCES += [
     'DNSRequestParent.cpp',
     'GetAddrInfo.cpp',
     'nsDNSService2.cpp',
-    'nsEffectiveTLDService.cpp',
-    'nsHostResolver.cpp',
     'nsIDNService.cpp',
     'punycode.c',
 ]