Fix test names starting with uppercase using gdb_test_no_output

Fix test names starting with uppercase using gdb_test_no_output

This fixes offender testcases that have test names starting with uppercase
when using gdb_test_no_output in a single-line construct.

gdb/testsuite/ChangeLog
2016-12-01  Luis Machado  <lgustavo@codesourcery.com>

	Fix test names starting with uppercase throughout the files.

	* gdb.base/charset.exp
	* gdb.base/eval.exp
	* gdb.base/multi-forks.exp
	* gdb.guile/scm-progspace.exp
	* gdb.opencl/datatypes.exp
	* gdb.python/py-block.exp
	* gdb.python/py-function.exp
	* gdb.python/py-symbol.exp
	* gdb.python/py-symtab.exp
	* gdb.python/py-xmethods.exp
	* gdb.reverse/break-precsave.exp
	* gdb.reverse/break-reverse.exp
	* gdb.reverse/consecutive-precsave.exp
	* gdb.reverse/consecutive-reverse.exp
	* gdb.reverse/finish-precsave.exp
	* gdb.reverse/finish-reverse-bkpt.exp
	* gdb.reverse/finish-reverse.exp
	* gdb.reverse/fstatat-reverse.exp
	* gdb.reverse/getresuid-reverse.exp
	* gdb.reverse/i386-precsave.exp
	* gdb.reverse/i386-reverse.exp
	* gdb.reverse/i386-sse-reverse.exp
	* gdb.reverse/i387-stack-reverse.exp
	* gdb.reverse/insn-reverse.exp
	* gdb.reverse/machinestate-precsave.exp
	* gdb.reverse/machinestate.exp
	* gdb.reverse/next-reverse-bkpt-over-sr.exp
	* gdb.reverse/pipe-reverse.exp
	* gdb.reverse/readv-reverse.exp
	* gdb.reverse/recvmsg-reverse.exp
	* gdb.reverse/rerun-prec.exp
	* gdb.reverse/s390-mvcle.exp
	* gdb.reverse/sigall-precsave.exp
	* gdb.reverse/sigall-reverse.exp
	* gdb.reverse/solib-precsave.exp
	* gdb.reverse/solib-reverse.exp
	* gdb.reverse/step-precsave.exp
	* gdb.reverse/step-reverse.exp
	* gdb.reverse/time-reverse.exp
	* gdb.reverse/until-precsave.exp
	* gdb.reverse/until-reverse.exp
	* gdb.reverse/waitpid-reverse.exp
	* gdb.reverse/watch-precsave.exp
	* gdb.reverse/watch-reverse.exp