diagnostics: make error message lowercase.

[Jan Hubicka]

Hi,
I comitted this ias obvious.  I also wonder if the next error should be
info or should be part of the first error message.

        * coverage.c (read_counts_file): Make error message lowercase.

diff --git a/gcc/coverage.c b/gcc/coverage.c
index 5e961b26f66..f29ff640c43 100644
--- a/gcc/coverage.c
+++ b/gcc/coverage.c
@@ -265,7 +265,7 @@ read_counts_file (void)
          else if (entry->lineno_checksum != lineno_checksum
                   || entry->cfg_checksum != cfg_checksum)
            {
-             error ("Profile data for function %u is corrupted", fn_ident);
+             error ("profile data for function %u is corrupted", fn_ident);
              error ("checksum is (%x,%x) instead of (%x,%x)",
                     entry->lineno_checksum, entry->cfg_checksum,
                     lineno_checksum, cfg_checksum);