gnu: check: Update to 0.15.1.

* gnu/packages/check.scm (check): Update to 0.15.1.
(check-0.14): New public variable.
* gnu/packages/backup.scm (burp)[native-inputs]: Change from CHECK to
CHECK-0.14.
* gnu/packages/bioinformatics.scm (libsbml)[native-inputs]: Likewise.
* gnu/packages/databases.scm (recutils)[native-inputs]: Likewise.
* gnu/packages/electronics.scm (libsigrokdecode)[native-inputs]: Likewise.
* gnu/packages/enlightenment.scm (efl, edi)[native-inputs]: Likewise.
* gnu/packages/gnome.scm (gdm)[inputs]: Likewise.
* gnu/packages/gtk.scm (girara)[native-inputs]: Likewise.
* gnu/packages/messaging.scm (pidgin)[native-inputs]: Likewise.
* gnu/packages/networking.scm (iodine)[native-inputs]: Likewise.
* gnu/packages/pulseaudio.scm (pulseaudio)[native-inputs]: Likewise.
* gnu/packages/sssd.scm (sssd)[native-inputs]: Likewise.
* gnu/packages/web.scm (libwapcaplet)[native-inputs]: Likewise.

gnu/packages/databases.scm

@@ -1139,7 +1139,7 @@ organized in a hash table or B+ tree.")
 
     (native-inputs `(("bc" ,bc)
                      ("bash:include" ,bash "include")
-                     ("check" ,check)
+                     ("check" ,check-0.14)
                      ("libuuid" ,util-linux)
                      ("pkg-config" ,pkg-config)))