Move the call to Job_SetPrefix() to Job_Init() so that

makefiles have had a chance to set .MAKE.JOB.PREFIX

contrib/bmake/job.c

@@ -2214,6 +2214,7 @@ Job_SetPrefix(void)
 void
 Job_Init(void)
 {
+    Job_SetPrefix();
     /* Allocate space for all the job info */
     job_table = bmake_malloc(maxJobs * sizeof *job_table);
     memset(job_table, 0, maxJobs * sizeof *job_table);

contrib/bmake/main.c

@@ -1026,7 +1026,6 @@ main(int argc, char **argv)
 		snprintf(pn, sizeof(pn), "%s[%d]", progname, makelevel);
 		progname = bmake_strdup(pn);
 	}
-	Job_SetPrefix();
 
 #ifdef USE_META
 	meta_init();