Arduino: 1.6.5 (Windows 8.1), Placa:"Arduino/Genuino Uno"

C:\Users\hallyson\Desktop\arduino-1.6.5-r5\hardware\tools\avr/bin/avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10605 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Users\hallyson\Desktop\arduino-1.6.5-r5\hardware\arduino\avr\cores\arduino -IC:\Users\hallyson\Desktop\arduino-1.6.5-r5\hardware\arduino\avr\variants\standard C:\Users\hallyson\AppData\Local\Temp\build2260617519930045803.tmp\cql_to_arduino_ino.cpp -o C:\Users\hallyson\AppData\Local\Temp\build2260617519930045803.tmp\cql_to_arduino_ino.cpp.o

cql_to_arduino_ino.ino:13:21: fatal error: strings.h: No such file or directory
compilation terminated.
Erro compilando.