DOC/MINOR: move uuid in the configuration to the right alphabetical order

This patch can be backported up to 2.1 where the uuid fetch was
introduced
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 11c3894..6b7cc26 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -17433,11 +17433,6 @@
   needed to take some routing decisions for example, or just for debugging
   purposes. This random must not be used for security purposes.
 
-uuid([<version>]) : string
-  Returns a UUID following the RFC4122 standard. If the version is not
-  specified, a UUID version 4 (fully random) is returned.
-  Currently, only version 4 is supported.
-
 srv_conn([<backend>/]<server>) : integer
   Returns an integer value corresponding to the number of currently established
   connections on the designated server, possibly including the connection being
@@ -17528,6 +17523,11 @@
   the function, between 0 and (global.nbthread-1). This is useful for logging
   and debugging purposes.
 
+uuid([<version>]) : string
+  Returns a UUID following the RFC4122 standard. If the version is not
+  specified, a UUID version 4 (fully random) is returned.
+  Currently, only version 4 is supported.
+
 var(<var-name>) : undefined
   Returns a variable with the stored type. If the variable is not set, the
   sample fetch fails. The name of the variable starts with an indication