Fixed some problems for Windows build

VC++Files/client/mysql.dsp:
  Fixed omission of mysys\my_conio.c.
VC++Files/client/mysql_ia64.dsp:
  Fixed omission of mysys\my_conio.c.
client/mysqldump.c:
  VS compiler does not accept variable declarations within blocks.
  Such a behaviour complies with the Standard C.

VC++Files/client/mysql.dsp

@@ -144,6 +144,10 @@ SOURCE=.\readline.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=..\mysys\my_conio.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\sql_string.cpp
 # End Source File
 # End Target

VC++Files/client/mysql_ia64.dsp

@@ -130,6 +130,10 @@ SOURCE=.\readline.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=..\mysys\my_conio.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\sql_string.cpp
 # End Source File
 # End Target

client/mysqldump.c

@@ -2222,6 +2222,7 @@ static int dump_all_tables_in_db(char *database)
 static char *get_actual_table_name(const char *old_table_name, MEM_ROOT *root)
 {
   char *name= 0;
+  ulong *lengths;
   MYSQL_RES  *tableRes;
   MYSQL_ROW  row;
   char query[50 + 2*NAME_LEN];
@@ -2246,7 +2247,7 @@ static char *get_actual_table_name(const char *old_table_name, MEM_ROOT *root)
     if (numRows > 0)
     {
       row= mysql_fetch_row( tableRes );
-      ulong *lengths= mysql_fetch_lengths(tableRes);
+      lengths= mysql_fetch_lengths(tableRes);
       name= strmake_root(root, row[0], lengths[0]);
     }
     mysql_free_result(tableRes);