dj(1), intcmp(1), mm(1), npc(1), scrut(1), strcmp(1): changes to use and modify program_name

src/strcmp.c

@@ -20,7 +20,7 @@
 #include <stdio.h> /* fprintf(3), stderr */
 #include <sysexits.h> /* EX_OK, EX_USAGE */
 
-static char *program_name = "strcmp";
+char *program_name = "strcmp";
 
 int main(int argc, char *argv[]) {
 	int i;