Clean up a few build warnings

qmake/project.cpp

@@ -685,7 +685,7 @@ QMakeProject::read(uchar cmd)
 //	    fprintf(stderr,"Current QT version number: " + ver + "\n");
 	    if (ver != "" && ver != test_version) {
 		ver = test_version;
-		fprintf(stderr,"Changed QT version number to " + test_version + "!\n");
+		fprintf(stderr,"Changed QT version number to %s!\n", test_version);
 	    }
 	}
     }

src/tools/qdir_unix.cpp

@@ -98,7 +98,10 @@ QString QDir::canonicalPath() const
 	slashify( r );
 
     	// always make sure we go back to the current dir
-	::chdir( cur );
+	if (::chdir( cur ) < 0) {
+		// Error!
+		// FIXME
+	}
     }
 #endif  /* __GLIBC__ && !PATH_MAX */
     return r;

src/tools/qgcache.cpp

@@ -641,7 +641,7 @@ void QGCache::statistics() const
 #if defined(QT_DEBUG)
     QString line;
     line.fill( '*', 80 );
-    qDebug( line.ascii() );
+    qDebug( "%s", line.ascii() );
     qDebug( "CACHE STATISTICS:" );
     qDebug( "cache contains %d item%s, with a total cost of %d",
 	   count(), count() != 1 ? "s" : "", tCost );
@@ -662,7 +662,7 @@ void QGCache::statistics() const
 	   lruList->dumps != 1 ? "have" : "has", lruList->dumpCosts );
     qDebug( "Statistics from internal dictionary class:" );
     dict->statistics();
-    qDebug( line.ascii() );
+    qDebug( "%s", line.ascii() );
 #endif
 }
 

src/tools/qgdict.cpp

@@ -846,11 +846,11 @@ void QGDict::statistics() const
     QString line;
     line.fill( '-', 60 );
     double real, ideal;
-    qDebug( line.ascii() );
+    qDebug( "%s", line.ascii() );
     qDebug( "DICTIONARY STATISTICS:" );
     if ( count() == 0 ) {
 	qDebug( "Empty!" );
-	qDebug( line.ascii() );
+	qDebug( "%s", line.ascii() );
 	return;
     }
     real = 0.0;
@@ -871,7 +871,7 @@ void QGDict::statistics() const
 	while ( b-- )
 	    *pbuf++ = '*';
 	*pbuf = '\0';
-	qDebug( buf );
+	qDebug( "%s", buf );
 	i++;
     }
     qDebug( "Array size = %d", size() );
@@ -879,7 +879,7 @@ void QGDict::statistics() const
     qDebug( "Real dist  = %g", real );
     qDebug( "Rand dist  = %g", ideal );
     qDebug( "Real/Rand  = %g", real/ideal );
-    qDebug( line.ascii() );
+    qDebug( "%s", line.ascii() );
 #endif // QT_DEBUG
 }