TT#175501 ngcp-emergency-mode: Fix IO::Prompt::Tiny import syntax

This had invalid syntax that was causing the script to error out.

Fixes: commit 9bc77dcb95
Change-Id: I7826e79456998ed521bc6760b611f8966457ce2a

tools_bin/ngcp-emergency-mode

@@ -37,7 +37,7 @@ use NGCP::API::Client;
 use Config::Simple;
 use TryCatch;
 use Sys::Syslog qw(:standard :macros);
-use IO::Prompt:Tiny qw(prompt);
+use IO::Prompt::Tiny qw(prompt);
 
 openlog($PROGRAM_NAME, "ndelay,pid", LOG_LOCAL0);