Fixed Robot_Control example R06_Wheel_Calibration

Fixes #2217

Author: cmaglie

build/shared/revisions.txt

@@ -9,6 +9,9 @@ ARDUINO 1.5.9
 [core]
 * sam: added -MMD flag to let gcc produce dependency files (full rebuild on Arduino Due is now triggered only if needed)
 
+[libraries]
+* Fixed PROGMEM error in Robot_Control/examples/explore/R06_Wheel_Calibration
+
 The following changes are included also in the Arduino IDE 1.0.7:
 
 [libraries]

libraries/Robot_Control/examples/explore/R06_Wheel_Calibration/scripts_library.h

@@ -12,7 +12,7 @@ const char script8[] PROGMEM="5. Repeat 4 until going straight\n";
 
 char buffer[42];//must be longer than text
 
-PROGMEM const char *scripts[]={
+const char * const scripts[] PROGMEM = {
   script1,
   script2,
   script3,