Update to libgit2 version 1.0.0 on Windows

Author: stewid

src/Makevars.win

@@ -1,12 +1,15 @@
-VERSION = 0.27.2
+VERSION = 1.0.0
 RWINLIB = ../windows/libgit2-${VERSION}
 
 PKG_CPPFLAGS = -I${RWINLIB}/include \
-	-DR_NO_REMAP -DSTRICT_R_HEADERS
+	-DR_NO_REMAP -DSTRICT_R_HEADERS \
+        -DGIT2R_HAVE_BUF_DISPOSE \
+        -DGIT2R_HAVE_OBJECT_ANY \
+        -DGIT2R_LIBGIT2_V0_99_0_RENAMES
 
 PKG_LIBS = -L${RWINLIB}/lib${R_ARCH} \
-	-lgit2 -lcurl-dualssl -lhttp_parser -lssh2 -lz -lssl -lcrypto \
-	-lwinhttp -lgdi32 -lole32 -lrpcrt4 -lws2_32 -lcrypt32 -lwldap32
+	-lgit2 -lssh2 -lz -lssl -lcrypto \
+	-lwinhttp -lws2_32 -lcrypt32 -lole32 -lrpcrt4
 
 all: clean winlibs