libipt: fix doxygen-style comment indication

The comment on struct pt_event.variant.enabled.ip lacks the leading ** marking
it as a doxygen comment.  Add it.

Change-Id: I233f75eec69fd302cdfa99ac36ba3ec4a19d5f40
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
diff --git a/doc/man/pt_qry_event.3.md b/doc/man/pt_qry_event.3.md
index f38d326..a23ec0d 100644
--- a/doc/man/pt_qry_event.3.md
+++ b/doc/man/pt_qry_event.3.md
@@ -98,7 +98,7 @@
 	union {
 		/** Event: enabled. */
 		struct {
-			/* The address at which tracing resumes. */
+			/** The address at which tracing resumes. */
 			uint64_t ip;
 		} enabled;
 
diff --git a/libipt/include/intel-pt.h.in b/libipt/include/intel-pt.h.in
index 85c9610..76644c9 100644
--- a/libipt/include/intel-pt.h.in
+++ b/libipt/include/intel-pt.h.in
@@ -1217,7 +1217,7 @@
 	union {
 		/** Event: enabled. */
 		struct {
-			/* The address at which tracing resumes. */
+			/** The address at which tracing resumes. */
 			uint64_t ip;
 		} enabled;