[PATCH] configure: add help note about gmime version

[Jameson Graef Rollins]

---
 configure |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure b/configure
index 71981b7..5602be2 100755
--- a/configure
+++ b/configure
@@ -114,6 +114,10 @@ Fine tuning of some installation directories is available:
 	--bashcompletiondir=DIR Bash completions files [SYSCONFDIR/bash_completion.d]
 	--zshcompletiondir=DIR	Zsh completions files [PREFIX/share/zsh/functions/Completion/Unix]
 
+Some specific library versions can be specified (auto-detected otherwise):
+
+        --with-gmime-version=VERS       Specify GMIME version (2.4 or 2.6)
+
 Some features can be disabled (--with-feature=no is equivalent to
 --without-feature) :
 
-- 
1.7.10