Update jloptions.c - error message (#57518)

Update to >= to be consistent with similar error messages and avoid
scrambled character in the terminal which don't support this type of
characters

Author: gitboy16

src/jloptions.c

@@ -656,7 +656,7 @@ JL_DLLEXPORT void jl_parse_opts(int *argcp, char ***argvp)
                         nthreadsi = strtol(&endptr[1], &endptri, 10);
                         // Allow 0 for interactive
                         if (errno != 0 || endptri == &endptr[1] || *endptri != 0 || nthreadsi < 0 || nthreadsi >= INT16_MAX)
-                            jl_errorf("julia: -t,--threads=<n>,<m>; m must be an integer ≥ 0");
+                            jl_errorf("julia: -t,--threads=<n>,<m>; m must be an integer >= 0");
                         if (nthreadsi == 0)
                             jl_options.nthreadpools = 1;
                     }