Merge branch 'pb/imap-send-wo-curl-build-fix'

Build fix.

* pb/imap-send-wo-curl-build-fix:
  imap-send: add missing "strbuf.h" include under NO_CURL

imap-send.c

@@ -28,6 +28,7 @@
 #include "run-command.h"
 #include "parse-options.h"
 #include "setup.h"
+#include "strbuf.h"
 #if defined(NO_OPENSSL) && !defined(HAVE_OPENSSL_CSPRNG)
 typedef void *SSL;
 #endif