Change version string to 'swift-3.0-RELEASE'.
diff --git a/lib/Basic/Version.cpp b/lib/Basic/Version.cpp
index fa083dd..acdb5cc 100644
--- a/lib/Basic/Version.cpp
+++ b/lib/Basic/Version.cpp
@@ -321,7 +321,7 @@
   OS << SWIFT_VENDOR " ";
 #endif
 
-  OS << "Swift version " SWIFT_VERSION_STRING " (swift-3.0-GM-CANDIDATE)";
+  OS << "Swift version " SWIFT_VERSION_STRING " (swift-3.0-RELEASE)";
   return OS.str();
 }