One more <cstring>

diff --git a/pdf.cc b/pdf.cc
index 15e6e5da6c820db0d22e0539147f7b3a2889331a..ff7a8b03aa4578c9bf9a11ab658e48d136befccc 100644 (file)
--- a/pdf.cc
+++ b/pdf.cc
@@ -7,6 +7,7 @@
 #include <cassert>
 #include <cstdlib>
 #include <cstdio>
+#include <cstring>
 #include <unistd.h>
 #include <sys/wait.h>