kvx gcc-4.5 build fixes

More missing struct initialisers, for expressionS vars that in this
case don't need to be initialised.  Also an error: redefinition of
typedef 'symbolS'.  OK, so don't use a typedef.

gas/config/kvx-parse.c

@@ -409,7 +409,7 @@ promote_token (struct token_s tok)
 	  : tok.class_id;
       case CAT_IMMEDIATE:
 	{
-	  expressionS exp = { 0 };
+	  expressionS exp;
 	  char *ilp_save = input_line_pointer;
 	  input_line_pointer = tok.insn + tok.begin;
 	  expression (&exp);
@@ -462,7 +462,7 @@ get_token_class (struct token_s *token, struct token_classes *classes, int insn_
   int found = 0;
   int tok_sz = token->end - token->begin;
   char *tok = token->insn + token->begin;
-  expressionS exp = {0};
+  expressionS exp;
 
   token->val = 0;
   int token_val_p = 0;

gas/config/tc-kvx.c

@@ -509,7 +509,7 @@ insert_operand (struct kvxinsn *insn, struct kvx_operand *opdef,
       {
 	char *ilp_save = input_line_pointer;
 	input_line_pointer = tok->tok;
-	expressionS exp = { 0 };
+	expressionS exp;
 	expression (&exp);
 	input_line_pointer = ilp_save;
 

include/opcode/kvx.h

@@ -140,13 +140,13 @@ struct kvx_pseudo_relocs
   struct kvx_reloc *kreloc;
 };
 
-typedef struct symbol symbolS;
+struct symbol;
 
 struct pseudo_func
 {
   const char *name;
 
-  symbolS *sym;
+  struct symbol *sym;
   struct kvx_pseudo_relocs pseudo_relocs;
 };