ext/sodium: explicitly include <string.h>

diff --git a/ext/sodium/libsodium.c b/ext/sodium/libsodium.c
index 30508f7ff10b65c088ccf3811fc9449a648acb7b..68a85ef4f065c41b975a12e696c47aff9018c23c 100644 (file)
--- a/ext/sodium/libsodium.c
+++ b/ext/sodium/libsodium.c
@@ -28,6 +28,7 @@
 
 #include <sodium.h>
 #include <stdint.h>
+#include <string.h>
 
 #define PHP_SODIUM_ZSTR_TRUNCATE(zs, len) do { ZSTR_LEN(zs) = (len); } while(0)