Avoid some Coverity ignored return value warnings

nyalldawson · nyalldawson · commit f2e8f2df0626 · 2016-05-02T10:01:48.000+10:00
diff --git a/src/providers/wfs/qgswfsshareddata.cpp b/src/providers/wfs/qgswfsshareddata.cpp
@@ -291,10 +291,10 @@ bool QgsWFSSharedData::createCache()
   {
     QString sql;
 
-    sqlite3_exec( db, "PRAGMA synchronous=OFF", nullptr, nullptr, nullptr );
-    sqlite3_exec( db, "PRAGMA journal_mode=MEMORY", nullptr, nullptr, nullptr );
+    ( void )sqlite3_exec( db, "PRAGMA synchronous=OFF", nullptr, nullptr, nullptr );
+    ( void )sqlite3_exec( db, "PRAGMA journal_mode=MEMORY", nullptr, nullptr, nullptr );
 
-    sqlite3_exec( db, "BEGIN", nullptr, nullptr, nullptr );
+    ( void )sqlite3_exec( db, "BEGIN", nullptr, nullptr, nullptr );
 
     if ( !ogrWaySuccessfull )
     {

Original file line number	Diff line number	Diff line change
`@@ -291,10 +291,10 @@ bool QgsWFSSharedData::createCache()`
`291`	`291`	`{`
`292`	`292`	`QString sql;`
`293`	`293`
`294`		`- sqlite3_exec( db, "PRAGMA synchronous=OFF", nullptr, nullptr, nullptr );`
`295`		`- sqlite3_exec( db, "PRAGMA journal_mode=MEMORY", nullptr, nullptr, nullptr );`
	`294`	`+ ( void )sqlite3_exec( db, "PRAGMA synchronous=OFF", nullptr, nullptr, nullptr );`
	`295`	`+ ( void )sqlite3_exec( db, "PRAGMA journal_mode=MEMORY", nullptr, nullptr, nullptr );`
`296`	`296`
`297`		`- sqlite3_exec( db, "BEGIN", nullptr, nullptr, nullptr );`
	`297`	`+ ( void )sqlite3_exec( db, "BEGIN", nullptr, nullptr, nullptr );`
`298`	`298`
`299`	`299`	`if ( !ogrWaySuccessfull )`
`300`	`300`	`{`