CLEANUP: fix typo in findserver() log message

There was a typo in the findserver() log message :
"found" was written "fould".
diff --git a/src/proxy.c b/src/proxy.c
index 123fd61..84d430a 100644
--- a/src/proxy.c
+++ b/src/proxy.c
@@ -366,7 +366,7 @@
 			continue;
 		}
 
-		Alert("Refusing to use duplicated server '%s' fould in proxy: %s!\n",
+		Alert("Refusing to use duplicated server '%s' found in proxy: %s!\n",
 			name, px->id);
 
 		return NULL;