Fix a compiler warning in shell.c.  Updates to comments in trigger.c.

FossilOrigin-Name: c727601eecd85a26dbd4fc36823d77bec34da3c3
diff --git a/src/shell.c b/src/shell.c
index af56792..5f912f4 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -1853,9 +1853,9 @@
 
       /* echo the sql statement if echo on */
       if( pArg->echoOn ){
-        char *zStmtSql = sqlite3_sql(pStmt);

+        const char *zStmtSql = sqlite3_sql(pStmt);
         fprintf(pArg->out,"%s\n", zStmtSql ? zStmtSql : zSql);
-      }

+      }
 
       /* perform the first step.  this will tell us if we
       ** have a result set or not and how wide it is.
diff --git a/src/trigger.c b/src/trigger.c
index 51969ce..642833c 100644
--- a/src/trigger.c
+++ b/src/trigger.c
@@ -254,12 +254,12 @@
   TriggerStep *pStepList, /* The triggered program */
   Token *pAll             /* Token that describes the complete CREATE TRIGGER */
 ){
-  Trigger *pTrig = pParse->pNewTrigger;    /* Trigger being finished */
-  char *zName;                             /* Name of trigger */
-  sqlite3 *db = pParse->db;                /* The database */
-  DbFixer sFix;
-  int iDb;                                 /* Database containing the trigger */
-  Token nameToken;           /* Trigger name for error reporting */
+  Trigger *pTrig = pParse->pNewTrigger;   /* Trigger being finished */
+  char *zName;                            /* Name of trigger */
+  sqlite3 *db = pParse->db;               /* The database */
+  DbFixer sFix;                           /* Fixer object */
+  int iDb;                                /* Database containing the trigger */
+  Token nameToken;                        /* Trigger name for error reporting */
 
   pTrig = pParse->pNewTrigger;
   pParse->pNewTrigger = 0;
@@ -278,7 +278,7 @@
     goto triggerfinish_cleanup;
   }
 
-  /* if we are not initializing, and this trigger is not on a TEMP table, 
+  /* if we are not initializing,
   ** build the sqlite_master entry
   */
   if( !db->init.busy ){