fix single address range

src/http/modules/ngx_http_geo_module.c

diff --git a/src/http/modules/ngx_http_geo_module.c b/src/http/modules/ngx_http_geo_module.c
index 0b20b30..003f02c 100644
--- a/src/http/modules/ngx_http_geo_module.c
+++ b/src/http/modules/ngx_http_geo_module.c
@@ -518,7 +518,7 @@
     ngx_array_t           *a;
     ngx_http_geo_range_t  *range;
 
-    for (n = start; n < end; n += 0x10000) {
+    for (n = start; n <= end; n += 0x10000) {
 
         h = n >> 16;
 
@@ -667,7 +667,7 @@
 
     warn = 0;
 
-    for (n = start; n < end; n += 0x10000) {
+    for (n = start; n <= end; n += 0x10000) {
 
         h = n >> 16;