Build system: Fix erroneous symlink in devLib/Makefile

The symlink libwiringPiDev.so was mistakenly created pointing to
libwiringPi.so.$(VERSION) (note lack of Dev), ie to the wrong library.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

devLib/Makefile

@@ -109,7 +109,7 @@ install-deb:	$(DYNAMIC)
 	$Q echo "[Install Dynamic Lib: deb]"
 	install -m 0755 -d							~/wiringPi/debian/wiringPi/usr/lib
 	install -m 0755 libwiringPiDev.so.$(VERSION)				~/wiringPi/debian/wiringPi/usr/lib/libwiringPiDev.so.$(VERSION)
-	ln -sf ~/wiringPi/debian/wiringPi/usr/lib/libwiringPi.so.$(VERSION)	~/wiringPi/debian/wiringPi/usr/lib/libwiringPiDev.so
+	ln -sf ~/wiringPi/debian/wiringPi/usr/lib/libwiringPiDev.so.$(VERSION)	~/wiringPi/debian/wiringPi/usr/lib/libwiringPiDev.so
 
 .PHONY:	uninstall
 uninstall: