Merge pull request #201 from jbo-ads/issues/200-missing-unistd

Insert #include <unistd.h> in mapcache_detail.c

Author: geographika

contrib/mapcache_detail/mapcache_detail.c

@@ -38,6 +38,11 @@
 #include <math.h>
 #include <float.h>
 
+#ifndef _WIN32
+#include <unistd.h>
+#endif
+
+
 #include <apr_general.h>
 #include <apr_getopt.h>
 #include <apr_strings.h>