hg: jdk7/build/langtools: Added tag jdk7-b78 for changeset acc1e40a5874

[kelly . ohair]

Changeset: 44022ba69c2f
Author:    mikejwre
Date:      2009-12-17 14:10 -0800
URL:       http://hg.openjdk.java.net/jdk7/build/langtools/rev/44022ba69c2f

Added tag jdk7-b78 for changeset acc1e40a5874

! .hgtags