Fix AMX stack underflow on nested public calls
Fix AMX stack underflow on nested public calls

I missed the fact that the parameter count (amx->paramcount) must be
reset BEFORE any JIT code is executed so if something calls, for example,
CallLocalFunction() paramcount doesn't get too big.

Zeex/samp-plugin-jit,oscar-broman/samp-plugin-jit,Zeex/samp-plugin-jit,oscar-broman/samp-plugin-jit