Update a renamed function name in a comment.

determine_sc_tools_with_encoding() was renamed
av1_determine_sc_tools_with_encoding() in commit
dee179da7d9a53b332278c88beeaba8e394b77b9.

Change-Id: I18a2e4e501424c60cecbc9ac3321b721d41c6e1d

av1/encoder/encoder.h

diff --git a/av1/encoder/encoder.h b/av1/encoder/encoder.h
index 36912d0..43279ec 100644
--- a/av1/encoder/encoder.h
+++ b/av1/encoder/encoder.h
@@ -2714,7 +2714,7 @@
 //   cpi->common.allow_intrabc
 // However, the estimation is not accurate and may misclassify videos.
 // A slower but more accurate approach that determines whether to use screen
-// content tools is employed later. See determine_sc_tools_with_encoding().
+// content tools is employed later. See av1_determine_sc_tools_with_encoding().
 void av1_set_screen_content_options(const struct AV1_COMP *cpi,
                                     FeatureFlags *features);