change HAVE_USBCALL define back to HAVE_USBCALLS

ChangeLog

@@ -1,3 +1,7 @@
+2013-02-28 Stéphane Voltz <stef.dev@free.fr>
+	* configure.in configure: restored HAVE_USBCALLS like initially
+	committed for OS/2 support
+
 2013-03-04 Oliver Schwartz <oliverschwartz@users.sf.net>
 	* backend/snapscan-options.c backend/snapscan-scsi.c backend/snapscan.c
 	  backend/snapscan-sources.c backend/snapscan.h 

configure

@@ -9851,7 +9851,7 @@ if test "$HAVE_USB" = "yes"; then
   case ${host_os} in
   os2*)
 
-$as_echo "#define HAVE_USBCALL 1" >>confdefs.h
+$as_echo "#define HAVE_USBCALLS 1" >>confdefs.h
 
   ;;
   *)

configure.in

@@ -418,7 +418,7 @@ fi
 if test "$HAVE_USB" = "yes"; then
   case ${host_os} in
   os2*)
-  AC_DEFINE(HAVE_USBCALL, 1, [Define to 1 if you have usbcall.dll.])
+  AC_DEFINE(HAVE_USBCALLS, 1, [Define to 1 if you have usbcall.dll.])
   ;;
   *)
   if test "$have_libusb_1_0" = "yes"; then

include/sane/config.h.in

@@ -421,7 +421,7 @@
 #undef HAVE_UNISTD_H
 
 /* Define to 1 if you have usbcall.dll. */
-#undef HAVE_USBCALL
+#undef HAVE_USBCALLS
 
 /* Define to 1 if you have the `usleep' function. */
 #undef HAVE_USLEEP