+20091024
+ + quiet some pedantic gcc warnings.
+ + modify _nc_wgetch() to check for a -1 in the fifo, e.g., after a
+ SIGWINCH, and discard that value, to avoid confusing application
+ (patch by Eygene Ryabinkin, FreeBSD bin/136223).
+
+20091017
+ + modify handling of $PKG_CONFIG_LIBDIR to use only the first item in
+ a possibly colon-separated list (Debian #550716).
+
+20091010
+ + supply a null-terminator to buffer in _nc_viswibuf().
+ + fix a sign-extension bug in unget_wch() (report by Mike Gran).
+ + minor fixes to error-returns in default function for tputs, as well
+ as in lib_screen.c
+