* gdb.base/ending-run.exp: Use the first line of code inside

    * gdb.base/ending-run.exp: Use the first line of code inside
        function body to test breakpoints.
        * gdb.mi/mi-break.exp, gdb.mi/mi2-break.exp: Adjust the actual
        location where the breakpoint is inserted when using the line
        where a function is declared. Fix typo in the description of
        one of the tests.
        * gdb.mi/mi-simplerun.exp, gdb.mi/mi2-simplerun.exp: Likewise.