Link the TTY driver with the standard libs.

diff --git a/dlls/ttydrv/Makefile.in b/dlls/ttydrv/Makefile.in
index 251ad9b..2501da95 100644
--- a/dlls/ttydrv/Makefile.in
+++ b/dlls/ttydrv/Makefile.in
@@ -4,6 +4,7 @@
 VPATH     = @srcdir@
 MODULE    = ttydrv
 SOVERSION = 1.0
+EXTRALIBS = $(LIBS)
 
 SPEC_SRCS = ttydrv.spec