vici: Fix typos in comments

src/libcharon/plugins/vici/libvici.c

@@ -48,7 +48,7 @@ typedef enum {
 } wait_state_t;
 
 /**
- * Private vici connection contex.
+ * Private vici connection context.
  */
 struct vici_conn_t {
 	/** connection stream */

src/libcharon/plugins/vici/libvici.h

@@ -91,7 +91,7 @@ extern "C" {
 #endif
 
 /**
- * Opaque vici connection contex.
+ * Opaque vici connection context.
  */
 typedef struct vici_conn_t vici_conn_t;