[nongnu] elpa/cider 7c3d143325 1/2: Fix CI build on Emacs 26

[ELPA Syncer]

branch: elpa/cider
commit 7c3d14332568a6f17f75b587fae72cf61267b646
Author: Bozhidar Batsov <bozhidar@batsov.dev>
Commit: Bozhidar Batsov <bozhidar@batsov.dev>

    Fix CI build on Emacs 26
    
    package-get-version was introduced in Emacs 27
---
 cider.el | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cider.el b/cider.el
index ef5cae4db9..4c69a32795 100644
--- a/cider.el
+++ b/cider.el
@@ -97,7 +97,11 @@
 (defconst cider-version "1.2.0"
   "The current version of CIDER.")
 
-(defconst cider-package-version (package-get-version)
+(defconst cider-package-version
+  ;; package-get-version was added in Emacs 27
+  (if (boundp 'package-get-version)
+      (package-get-version)
+    nil)
   "The version of the currently installed CIDER package.")
 
 (defconst cider-codename "Nice"