Merge pull request fdintino#96 from unlim2/2.2

Fix for compiling with nginx > 1.11.2

config

@@ -1,5 +1,6 @@
 USE_MD5=YES
 USE_SHA1=YES
+USE_OPENSSL=YES
 ngx_addon_name=ngx_http_upload_module
 HTTP_MODULES="$HTTP_MODULES ngx_http_upload_module"
 NGX_ADDON_SRCS="$NGX_ADDON_SRCS $ngx_addon_dir/ngx_http_upload_module.c"

ngx_http_upload_module.c

@@ -8,6 +8,22 @@
 #include <ngx_http.h>
 #include <nginx.h>
 
+#if nginx_version >= 1011002
+
+#include <ngx_md5.h>
+
+typedef ngx_md5_t MD5_CTX;
+
+#define MD5Init ngx_md5_init
+#define MD5Update ngx_md5_update
+#define MD5Final ngx_md5_final
+
+#define MD5_DIGEST_LENGTH 16
+
+#include <openssl/sha.h>
+
+#else
+
 #if (NGX_HAVE_OPENSSL_MD5_H)
 #include <openssl/md5.h>
 #else
@@ -26,6 +42,9 @@
 #include <sha.h>
 #endif
 
+
+#endif
+
 #define MULTIPART_FORM_DATA_STRING              "multipart/form-data"
 #define BOUNDARY_STRING                         "boundary="
 #define CONTENT_DISPOSITION_STRING              "Content-Disposition:"