Upgrade bundled curl to version 7.50.1 to fix:

CVE-2016-5419
CVE-2016-5420
CVE-2016-5421
Whether any of these affect the OpenOffice usage of curl is not known.
OpenOffice only uses curl to access ftp:// URLs, which is likely to be
only rarely done.

curl/curl-7.49.1_win.patch → curl/curl-7.50.1_win.patch

-diff -ur misc/curl-7.49.1/winbuild/Makefile.msvc.names misc/build/curl-7.49.1/winbuild/Makefile.msvc.names
---- misc/curl-7.49.1/winbuild/Makefile.msvc.names	2016-03-22 00:15:38.000000000 -0700
-+++ misc/build/curl-7.49.1/winbuild/Makefile.msvc.names	2016-07-19 15:35:28.465823000 -0700
+diff -ur misc/curl-7.50.1/winbuild/Makefile.msvc.names misc/build/curl-7.50.1/winbuild/Makefile.msvc.names
+--- misc/curl-7.50.1/winbuild/Makefile.msvc.names	2016-03-22 00:15:38.000000000 -0700
++++ misc/build/curl-7.50.1/winbuild/Makefile.msvc.names	2016-07-19 15:35:28.465823000 -0700
 @@ -43,7 +43,7 @@
  !ENDIF
  

curl/makefile.mk

@@ -37,12 +37,12 @@ all:
 
 # --- Files --------------------------------------------------------
 
-TARFILE_NAME=curl-7.49.1
-TARFILE_MD5=2feb3767b958add6a177c6602ff21e8c
+TARFILE_NAME=curl-7.50.1
+TARFILE_MD5=c264788f2e4313a05140d712c1ec90c2
 PATCH_FILES=
 
 .IF "$(GUI)"=="WNT"
-    PATCH_FILES+=curl-7.49.1_win.patch
+    PATCH_FILES+=curl-7.50.1_win.patch
 #	.IF "$(COM)"=="GCC"
 #		PATCH_FILES+=curl-7.19.7_mingw.patch
 #	.ENDIF

external_deps.lst

@@ -227,9 +227,9 @@ if (SYSTEM_EXPAT != YES)
     URL2 = $(OOO_EXTRAS)$(MD5)-$(name)
 
 if (SYSTEM_CURL != YES)
-    MD5 = 2feb3767b958add6a177c6602ff21e8c
-    name = curl-7.49.1.tar.gz
-    URL1 = http://curl.haxx.se/download/curl-7.49.1.tar.gz
+    MD5 = c264788f2e4313a05140d712c1ec90c2
+    name = curl-7.50.1.tar.gz
+    URL1 = http://curl.haxx.se/download/${name}
     URL2 = $(OOO_EXTRAS)$(MD5)-$(name)
 
 if (WITH_CATA_FONTS == YES)