HPCC-10562 Reference the correct plugin name

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>

plugins/proxies/lib_metaphone.ecllib

@@ -17,7 +17,7 @@
 
 /* Proxy plugin definition for (EE-only) dmetaphone library version DMETAPHONE 1.1.05 */
 
-export MetaphoneLib := SERVICE : plugin('metaphonelib')
+export MetaphoneLib := SERVICE : plugin('dmetaphone')
   string DMetaphone1(const string src) : c,pure,entrypoint='mpDMetaphone1';
   string DMetaphone2(const string src) : c,pure,entrypoint='mpDMetaphone2';
   string DMetaphoneBoth(const string src) : c,pure,entrypoint='mpDMetaphoneBoth';