REGTEST: fix the Lua test file name in test lua/h00002 :-)

The file was moved but the lua file was not renamed in the VTC, leading
to a failure when launched from a clean tree.
diff --git a/reg-tests/lua/h00002.vtc b/reg-tests/lua/h00002.vtc
index 91b5dde..c3adc95 100644
--- a/reg-tests/lua/h00002.vtc
+++ b/reg-tests/lua/h00002.vtc
@@ -11,7 +11,7 @@
 
 haproxy h1 -conf {
     global
-        lua-load ${testdir}/b00004.lua
+        lua-load ${testdir}/h00002.lua
 
     frontend fe1
         mode http
@@ -31,4 +31,4 @@
 } -run
 
 
-server s1 -wait
\ No newline at end of file
+server s1 -wait