Use the format specifiers with floatingpoint numbers

Revision:
0:727af1f2cbe4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OptrexLCD.lib	Tue Dec 21 16:55:20 2010 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/Eduard/code/OptrexLCD/#ef7b6dec773f