Revert "- libcurl: bump version to 7.64.0"

This reverts commit 88aaefdb20.

make/archives.mk

@@ -158,7 +158,7 @@ GIFLIB_VER=5.1.4
 $(ARCHIVE)/giflib-$(GIFLIB_VER).tar.bz2:
 	$(WGET) http://sourceforge.net/projects/giflib/files/giflib-$(GIFLIB_VER).tar.bz2
 
-LIBCURL_VER=7.64.0
+LIBCURL_VER=7.61.1
 $(ARCHIVE)/curl-$(LIBCURL_VER).tar.bz2:
 	$(WGET) http://curl.haxx.se/download/curl-$(LIBCURL_VER).tar.bz2
 

make/system-libs.mk

@@ -133,6 +133,7 @@ $(D)/libcurl: $(D)/zlib $(D)/openssl $(D)/librtmp $(D)/ca-bundle $(ARCHIVE)/curl
 			--prefix=  \
 			--mandir=/.remove \
 			--datarootdir=/.remove \
+			--disable-manual \
 			--disable-file \
 			--disable-rtsp \
 			--disable-dict \