minor fix in ctags to include library source files
rm tags
-ctags -R shell_main.c main.c ./* ../../libarchfpga/SRC/* ../../pcre/SRC/*.[ch]
+ctags -R shell_main.c main.c ./* ../../libarchfpga/SRC/* ../../libpcre/SRC/*.[ch] ../../../libs/libvtrutil/src/*
