notmuch-config.c has the only use of the function named "index()" in the
notmuch source. Several other places use the equivalent function
"strchr()"; this patch just fixes notmuch-config.c to use strchr()
instead. (Solaris needs to include to get the prototype for
index(), and notmuch-config.c
notmuch-config.c has the only use of the function named index() in the
notmuch source. Several other places use the equivalent function
strchr(); this patch just fixes notmuch-config.c to use strchr()
instead. (Solaris needs to include strings.h to get the prototype for
index(), and
