Fix ftbfs on Fedora 34

error: reference to ‘byte’ is ambiguous

Signed-off-by: François Andriot <francois.andriot@free.fr>
(cherry picked from commit a499c5423b)

conduits/docconduit/makedoc9.h

@@ -61,7 +61,7 @@ class tBuf {
 //      int hicharnum;
 //      bool space;
 
-	byte * buf;
+	::byte * buf;
 	unsigned len;
 	bool isCompressed;
  public:
@@ -81,9 +81,9 @@ class tBuf {
 		delete[]buf;
 		buf = 0L;
 	}
-	void setText(const byte * text, unsigned int txtlen =
+	void setText(const ::byte * text, unsigned int txtlen =
 		0, bool txtcomp = false);
-	byte *text() const {
+	::byte *text() const {
 		return buf;
 	}
 	unsigned Len() const {
@@ -102,7 +102,7 @@ class tBuf {
 	unsigned Compress();
 
  private:
-	unsigned Issue(byte src, int &bSpace);
+	unsigned Issue(::byte src, int &bSpace);
 	void Dump() const {
 		printf("\nbuffer len=%d", len);
 }};