Fix warnings from icc

Added BUILD scripts for icc
Fixed (one time) memory leak in grant handling


config/ac-macros/misc.m4:
  Remove warnings flags from icc when compiling with -Werror
configure.in:
  Remove warnings flags from icc when compiling with -Werror
extra/replace.c:
  Fix warnings from icc
include/my_dbug.h:
  Fix warnings from icc
sql/gen_lex_hash.cc:
  Fix warnings from icc
sql/mysql_priv.h:
  Add missing variables
sql/mysqld.cc:
  Fix warnings from icc:
  - made a lot of variables static
  - Removing some not used variables
  - Fixed wrong printf()
  - removed extern "C" from some functions
sql/spatial.h:
  Fix warnings from icc
sql/sql_acl.cc:
  Fixed memory leak
sql/sql_lex.cc:
  Fix warnings from icc
sql/sql_lex.h:
  Fix warnings from icc

1 files changed, 5 insertions, 4 deletions

diff --git a/sql/sql_lex.h b/sql/sql_lex.h
index a33d60df0d4..fffb8ff9ae6 100644
--- a/sql/sql_lex.h
+++ b/sql/sql_lex.h
@@ -898,10 +898,11 @@ struct st_lex_local: public st_lex
   { /* Never called */ }
 };
 
-void lex_init(void);
-void lex_free(void);
-void lex_start(THD *thd, uchar *buf,uint length);
-void lex_end(LEX *lex);
+extern void lex_init(void);
+extern void lex_free(void);
+extern void lex_start(THD *thd, uchar *buf,uint length);
+extern void lex_end(LEX *lex);
+extern int yylex(void *arg, void *yythd);
 
 extern pthread_key(LEX*,THR_LEX);