FS-7500: fix compiler warning

diff --git a/src/switch_core_video.c b/src/switch_core_video.c
index 6b75d849f2bec01ff6d586bc3d7f761cf999fb08..2651b6ee75b4d1f56621238121bf949cc49d88d9 100644 (file)
--- a/src/switch_core_video.c
+++ b/src/switch_core_video.c
@@ -615,8 +615,8 @@ SWITCH_DECLARE(switch_image_t *) switch_img_read_png(const char* file_name)
        png_byte color_type;
        png_byte bit_depth;
 
-       png_structp png_ptr;
-       png_infop info_ptr;
+       png_structp png_ptr = NULL;
+       png_infop info_ptr = NULL;
        //int number_of_passes;
        int row_bytes;
        png_color_8p sig_bit;