Fixed a bug: .ENDPROC without .PROC would crash the assembler

git-svn-id: svn://svn.cc65.org/cc65/trunk@2027 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/ca65/symtab.c

@@ -379,12 +379,20 @@ void SymEnterLevel (void)
 
 void SymLeaveLevel (void)
 /* Leave the current lexical level */
-{
+{                          
     SymTab = SymTab->BackLink;
 }
 
 
 
+int SymIsLocalLevel (void)
+/* Return true if we ae on a local symbol table level. */
+{
+    return (SymTab != RootTab);
+}
+
+
+
 void SymDef (const char* Name, ExprNode* Expr, int ZP, int Label)
 /* Define a new symbol */
 {