facedetect: Make cascades dir a little more portable

diff --git a/ext/opencv/gstfacedetect.c b/ext/opencv/gstfacedetect.c
index 6f8740dbf58c207c431d5bcac8f61b79bd60e443..c531480a0585d1bc30a9dd387070bafb8c31aa0a 100644 (file)
--- a/ext/opencv/gstfacedetect.c
+++ b/ext/opencv/gstfacedetect.c
@@ -83,7 +83,9 @@
 GST_DEBUG_CATEGORY_STATIC (gst_face_detect_debug);
 #define GST_CAT_DEFAULT gst_face_detect_debug
 
-#define HAAR_CASCADES_DIR OPENCV_PREFIX "/share/opencv/haarcascades/"
+#define HAAR_CASCADES_DIR OPENCV_PREFIX G_DIR_SEPARATOR_S "share" \
+    G_DIR_SEPARATOR_S "opencv" G_DIR_SEPARATOR_S "haarcascades" \
+    G_DIR_SEPARATOR_S
 #define DEFAULT_FACE_PROFILE HAAR_CASCADES_DIR "haarcascade_frontalface_default.xml"
 #define DEFAULT_NOSE_PROFILE HAAR_CASCADES_DIR "haarcascade_mcs_nose.xml"
 #define DEFAULT_MOUTH_PROFILE HAAR_CASCADES_DIR "haarcascade_mcs_mouth.xml"