typo: succesful -> successful

* data/skeletons/lalr1.cc: here
* etc/bench.pl.in: here
* src/location.c: here
* tests/calc.at: and here

src/location.c

@@ -317,7 +317,7 @@ caret_getc_internal (mbchar_t *res)
 
 /* Move CARET_INFO (which has a valid FILE) to the line number LINE.
    Compute and cache that line's length in CARET_INFO.LINE_LEN.
-   Return whether succesful.*/
+   Return whether successful.*/
 static bool
 caret_set_line (int line)
 {