[avr,committed] Include string.h in gen-avr-mmcu-texi.c

[Georg-Johann Lay]

https://gcc.gnu.org/r240925
https://gcc.gnu.org/r240926
https://gcc.gnu.org/r240927
gen-avr-mmcu-texi.c missed the inclusion of string.h (for strcmp).  Applied as 
obvious.


Johann

        * config/avr/gen-avr-mmcu-texi.c (string.h): Include.

Index: config/avr/gen-avr-mmcu-texi.c
===================================================================
--- config/avr/gen-avr-mmcu-texi.c      (revision 240924)
+++ config/avr/gen-avr-mmcu-texi.c      (revision 240925)
@@ -19,6 +19,7 @@

 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>

 #define IN_GEN_AVR_MMCU_TEXI