trunk/debug.h:
trunk/vstring.c: replace "clearString" and its single caller with memset(3), which lets me scan JDK6 with dctags in 40 seconds rather than 4 minutes.
git-svn-id: svn://svn.code.sf.net/p/ctags/code/trunk@558 c5d04d22-be80-434c-894e-aa346cc9e8e8