GPLv2 from GPLv3... remove copying file for GPLv3. Added methods.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@26821 72102866-910b-0410-8b05-ffd578937521

Headers/Foundation/NSNumberFormatter.h

@@ -298,6 +298,16 @@ extern "C" {
  */
 - (void) setMinimum: (NSDecimalNumber*)aMinimum;
 
+/**
+ * Returns the string version of this number based on the format
+ * specified.
+ */
+- (NSString *) stringFromNumber: (NSNumber *)number;
+
+/**
+ * Returns the number for this string.
+ */
+- (NSNumber *) numberFromString: (NSString *)string;
 @end
 
 #if	defined(__cplusplus)