XCode warning fixes.

simgear/misc/tabbed_values.cxx

@@ -26,8 +26,7 @@
 #include "tabbed_values.hxx"
 
 
-SGTabbedValues::SGTabbedValues(const char *line) :
-	_line(line)
+SGTabbedValues::SGTabbedValues(const char *line)
 {
 	assert(line);
 	_fields.push_back(const_cast<char*>(line));

simgear/misc/tabbed_values.hxx

@@ -45,8 +45,6 @@ public:
 	long getLongAt(const unsigned int) const;
 private:
 	const char* fieldAt(const unsigned int offset) const;
-
-	const char* _line;
 	
 	/** this is first character of each field, if the field is empty
 	it will be the tab character. It is lazily built as needed, so

simgear/package/unzip.c

@@ -1292,7 +1292,7 @@ extern int ZEXPORT unzReadCurrentFile  (file, buf, len)
         return UNZ_PARAMERROR;
 
 
-    if ((pfile_in_zip_read_info->read_buffer == NULL))
+    if (pfile_in_zip_read_info->read_buffer == NULL)
         return UNZ_END_OF_LIST_OF_FILE;
     if (len==0)
         return 0;

simgear/sound/sample_queue.hxx

@@ -91,7 +91,6 @@ public:
 private:
     std::string _refname;	// sample name
     std::vector<unsigned int> _buffers;
-    unsigned int _buffer;
 
     bool _playing;