fix libhdhomerun includes

--- a/configure
+++ b/configure
@@ -362,7 +362,7 @@ if enabled hdhomerun_static; then
 else
 
   if enabled_or_auto hdhomerun_client; then
-    if check_cc_header 'libhdhomerun/hdhomerun' libhdhomerun; then
+    if check_cc_header 'hdhomerun' libhdhomerun; then
       enable  hdhomerun_client
       LDFLAGS="$LDFLAGS -lhdhomerun"
     fi
--- a/src/input/mpegts/tvhdhomerun/tvhdhomerun_private.h
+++ b/src/input/mpegts/tvhdhomerun/tvhdhomerun_private.h
@@ -24,7 +24,7 @@
 #include "htsbuf.h"
 #include "tvhdhomerun.h"
 
-#include "libhdhomerun/hdhomerun.h"
+#include "hdhomerun.h"
 
 typedef struct tvhdhomerun_device_info tvhdhomerun_device_info_t;
 typedef struct tvhdhomerun_device      tvhdhomerun_device_t;
