Refactor jit_func_t and jit_exec

I closed https://github.com/ruby/ruby/pull/7543, but part of the diff
seems useful regardless, so I extracted it.

1 files changed, 2 insertions, 2 deletions

diff --git a/vm.c b/vm.c
index b4aa2a04a9..0f90c9a1e2 100644
--- a/vm.c
+++ b/vm.c
@@ -370,7 +370,7 @@ static VALUE vm_invoke_proc(rb_execution_context_t *ec, rb_proc_t *proc, VALUE s
 
 #if USE_RJIT || USE_YJIT
 // Try to compile the current ISeq in ec. Return 0 if not compiled.
-static inline jit_func_t
+static inline rb_jit_func_t
 jit_compile(rb_execution_context_t *ec)
 {
     // Increment the ISEQ's call counter
@@ -405,7 +405,7 @@ jit_compile(rb_execution_context_t *ec)
 static inline VALUE
 jit_exec(rb_execution_context_t *ec)
 {
-    jit_func_t func = jit_compile(ec);
+    rb_jit_func_t func = jit_compile(ec);
     if (func) {
         // Call the JIT code
         return func(ec, ec->cfp);