Redo of PR#5345. Fixed spelling and typographical errors found by CodeSpell.

Signed-off-by: Shaun Case <warmsocks@gmail.com>
Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>

programs/fuzz/onefile.c

@@ -47,7 +47,7 @@ int main(int argc, char** argv)
         return 2;
     }
 
-    //lauch fuzzer
+    //launch fuzzer
     LLVMFuzzerTestOneInput(Data, Size);
     free(Data);
     fclose(fp);