Merge branch 'bc/csprng-mktemps'

Build fix.

* bc/csprng-mktemps:
  git-compat-util: really support openssl as a source of entropy

git-compat-util.h

@@ -525,6 +525,10 @@ void warning_errno(const char *err, ...) __attribute__((format (printf, 1, 2)));
 #include <openssl/x509v3.h>
 #endif /* NO_OPENSSL */
 
+#ifdef HAVE_OPENSSL_CSPRNG
+#include <openssl/rand.h>
+#endif
+
 /*
  * Let callers be aware of the constant return value; this can help
  * gcc with -Wuninitialized analysis. We restrict this trick to gcc, though,