ffmpeg7: Disable debug_info symbols and update changelog

Author: th0ma7

spk/ffmpeg7/Makefile

@@ -2,7 +2,7 @@ SPK_NAME = ffmpeg7
 SPK_VERS = 7.0.3
 SPK_REV = 4
 SPK_ICON = src/ffmpeg.png
-CHANGELOG = "1. Update to version 7.0.3"
+CHANGELOG = "1. Update to version 7.0.3<br/>2. Apply crash fix by checking ctx->pic_end before accessing its pts field."
 
 DEPENDS = cross/ffmpeg7