removed coff guid and added missing defrange symbol

src/codeview/codeview.h

@@ -1179,7 +1179,7 @@ struct CV_SymSLink32
 typedef struct CV_SymOEM CV_SymOEM;
 struct CV_SymOEM
 {
-  COFF_Guid id;
+  Guid id;
   CV_TypeId itype;
   //  padding align(4)
 };
@@ -1795,6 +1795,16 @@ enum
   CV_RangeAttrib_Maybe = (1 << 0),
 };
 
+//- (SymKind: DEFRANGE)
+
+typedef struct CV_SymDefrange CV_SymDefrange;
+struct CV_SymDefrange
+{
+  U32 program;
+  CV_LvarAddrRange range;
+  // variable-width: CV_LvarAddrGap gaps;
+};
+
 //- (SymKind: DEFRANGE_SUBFIELD)
 
 typedef struct CV_SymDefrangeSubfield CV_SymDefrangeSubfield;
@@ -2322,7 +2332,7 @@ struct CV_LeafTypeServer
 typedef struct CV_LeafTypeServer2 CV_LeafTypeServer2;
 struct CV_LeafTypeServer2
 {
-  COFF_Guid sig70;
+  Guid sig70;
   U32 age;
   // U8[] name (null terminated)
 };

src/coff/coff.h

@@ -11,16 +11,6 @@ typedef U32 COFF_TimeStamp;
 
 #pragma pack(push,1)
 
-typedef struct COFF_Guid COFF_Guid;
-struct COFF_Guid
-{
-  U32 data1;
-  U16 data2;
-  U16 data3;
-  U32 data4;
-  U32 data5;
-};
-
 typedef U16 COFF_Flags;
 enum
 {