isync: 1.4.4 -> 1.5.0

Buffer too small can now be fixed by defining QPRINTF_BUFF.
Patch on unexpected EOF is part of new version.

`QPRINT_BUFF` fix discussed at
https://sourceforge.net/p/isync/mailman/isync-devel/thread/87fsevvebj.fsf%40steelpick.2x.cz/#msg37731590.

Release notes: https://sourceforge.net/projects/isync/files/isync/1.5.0/

Author: felipeqq2

pkgs/tools/networking/isync/0001-Increase-imap_vprintf-buffer-size.patch

@@ -8,20 +8,16 @@
 
 stdenv.mkDerivation rec {
   pname = "isync";
-  version = "1.4.4";
+  version = "1.5.0";
 
   src = fetchurl {
     url = "mirror://sourceforge/isync/${pname}-${version}.tar.gz";
-    sha256 = "1zq0wwvmqsl9y71546dr0aygzn9gjjfiw19hlcq87s929y4p6ckw";
+    sha256 = "oMgeEJOHvyedoWFFMQM5nneUav7PXFH5QTxedzVX940=";
   };
 
-  patches = [
-    # Fixes "Fatal: buffer too small" error
-    ./0001-Increase-imap_vprintf-buffer-size.patch
-    # Fix #202595: SSL error "Socket error: ... unexpected eof while reading"
-    # Source: https://sourceforge.net/p/isync/isync/ci/b6c36624f04cd388873785c0631df3f2f9ac4bf0/
-    ./work-around-unexpected-EOF-error-messages-at-end-of-SSL-connections.patch
-  ];
+
+  # Fixes "Fatal: buffer too small" error
+  env.NIX_CFLAGS_COMPILE = "-DQPRINTF_BUFF=4000";
 
   nativeBuildInputs = [ pkg-config perl ]
     ++ lib.optionals withCyrusSaslXoauth2 [ makeWrapper ];