The MSVC projects were renamed; update the Makefile.
diff --git a/Makefile.in b/Makefile.in
index c3f3ff4..061c102 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -339,9 +339,9 @@
 	scanner.l \
 	Win32/Include/Gnuc.h \
 	Win32/Include/net/if.h \
-	Win32/Prj/libpcap.sln \
-	Win32/Prj/libpcap.vcxproj \
-	Win32/Prj/libpcap.vcxproj.filters
+	Win32/Prj/wpcap.sln \
+	Win32/Prj/wpcap.vcxproj \
+	Win32/Prj/wpcap.vcxproj.filters
 
 all: libpcap.a shared pcap-config