Update sqdbg

Author: samisalreadytaken

sp/src/vscript/sqdbg/sqdbg/json.h

@@ -275,9 +275,13 @@ static inline void PutStr( CBuffer *buffer, const string_t &str )
 #ifdef SQDBG_VALIDATE_SENT_MSG
 	for ( unsigned int i = 0; i < str.len; i++ )
 	{
-		AssertMsg( IN_RANGE_CHAR( str.ptr[i], 0x20, 0x7E ) &&
-				( ( str.ptr[i] != '\\' && str.ptr[i] != '\"' ) || ( i && str.ptr[i-1] == '\\' ) ),
-				"control char in json string" );
+		if ( str.ptr[i] == '\\' && ( str.ptr[i+1] == '\\' || str.ptr[i+1] == '\"' ) )
+		{
+			i++;
+			continue;
+		}
+
+		AssertMsg( IN_RANGE_CHAR( str.ptr[i], 0x20, 0x7E ), "control char in json string" );
 	}
 #endif
 }