Binary not found in Core Build Makefile project

Fixed the problem for Core Build Makefile projects that the output
binary could not be found during launching when the user set the
Build Output Location to "Build in project directory".
The project was only looking for binaries in the "build" folder.

build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/core/MakefileProjectGenerator.java

@@ -84,7 +84,7 @@ public void generate(Map<String, Object> model, IProgressMonitor monitor) throws
 			}
 		}
 
-		entries.add(CoreModel.newOutputEntry(buildFolder.getFullPath()));
+		entries.add(CoreModel.newOutputEntry(project.getFullPath()));
 		CoreModel.getDefault().create(project).setRawPathEntries(entries.toArray(new IPathEntry[entries.size()]),
 				monitor);
 	}