[NFC] Inclusive Language: change master to main for .chm files

[NFC] As part of using inclusive language within the llvm project,
this patch replaces master with main when referring to `.chm` files.

Reviewed By: teemperor

Differential Revision: https://reviews.llvm.org/D113299

GitOrigin-RevId: c3b15b71ce009b3dff9fb3bd664d087057b8376e
diff --git a/docs/doxygen.cfg.in b/docs/doxygen.cfg.in
index f02c703..f52c234 100644
--- a/docs/doxygen.cfg.in
+++ b/docs/doxygen.cfg.in
@@ -1220,7 +1220,7 @@
 HHC_LOCATION           =
 
 # The GENERATE_CHI flag controls if a separate .chi index file is generated (
-# YES) or that it should be included in the master .chm file ( NO).
+# YES) or that it should be included in the main .chm file ( NO).
 # The default value is: NO.
 # This tag requires that the tag GENERATE_HTMLHELP is set to YES.
 
diff --git a/runtime/doc/doxygen/config b/runtime/doc/doxygen/config
index cd1eca2..85968dd 100644
--- a/runtime/doc/doxygen/config
+++ b/runtime/doc/doxygen/config
@@ -1048,7 +1048,7 @@
 

 # If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag

 # controls if a separate .chi index file is generated (YES) or that

-# it should be included in the master .chm file (NO).

+# it should be included in the main .chm file (NO).

 

 GENERATE_CHI           = NO