Fix typo (missing pointer dereference).

Found by PVS-Studio developer Svyatoslav Razmyslov.
Also update my email address.

src/kits/interface/textview_support/TextGapBuffer.cpp

@@ -4,7 +4,7 @@
  *
  * Authors:
  *		Marc Flerackers ([email protected])
- *		Stefano Ceccherini ([email protected])
+ *		Stefano Ceccherini ([email protected])
  */
 
 
@@ -225,7 +225,7 @@ TextGapBuffer::Text()
 			memcpy(scratchPtr, B_UTF8_BULLET, bulletCharLen);
 			scratchPtr += bulletCharLen;
 		}
-		scratchPtr = '\0';
+		*scratchPtr = '\0';
 
 		return fScratchBuffer;
 	}