--- avr-libc-1.6.8/libc/stdlib/dtostre.c	2010-06-23 09:09:19.000000000 -0700
+++ avr-libc/libc/stdlib/dtostre.c	2010-06-23 09:15:06.000000000 -0700
@@ -26,7 +26,7 @@
   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   POSSIBILITY OF SUCH DAMAGE. */
 
-/* $Id: dtostre.c,v 1.2.2.1 2009/04/01 23:12:10 arcanum Exp $ */
+/* $Id: dtostre.c 1944 2009-04-01 23:12:20Z arcanum $ */
 
 #include <stdlib.h>
 #include <avr/pgmspace.h>
@@ -37,19 +37,19 @@
 char *
 dtostre (double val, char *sbeg, unsigned char prec, unsigned char flags)
 {
-    __attribute__((progmem)) static const char str_nan[2][4] =
+    __attribute__((progmem)) static char str_nan[2][4] =
 	{"nan", "NAN"};
-    __attribute__((progmem)) static const char str_inf[2][sizeof(str_nan[0])] =
+    __attribute__((progmem)) static char str_inf[2][sizeof(str_nan[0])] =
 	{"inf", "INF"};
     char *d;		/* dst	*/
-    const char *s;	/* src	*/
+    char *s;		/* src	*/
     signed char exp;
     unsigned char vtype;
 
     if (prec > 7) prec = 7;
 
     exp = __ftoa_engine (val, sbeg, prec, 0);
-    d = (char*)(s = sbeg);
+    d = s = sbeg;
     vtype = *s++;
 
     if ((vtype & FTOA_MINUS) && !(vtype & FTOA_NAN))	/* like 'Glibc'	*/