Make file formatting comply with POSIX and Unix standards

UTF-8, LF, no BOM, and newlines at the end of files
diff --git a/doc/snippets/Jacobi_makeGivens.cpp b/doc/snippets/Jacobi_makeGivens.cpp
index 4b733c3..6f8ec05 100644
--- a/doc/snippets/Jacobi_makeGivens.cpp
+++ b/doc/snippets/Jacobi_makeGivens.cpp
@@ -3,4 +3,4 @@
 G.makeGivens(v.x(), v.y());
 cout << "Here is the vector v:" << endl << v << endl;
 v.applyOnTheLeft(0, 1, G.adjoint());
-cout << "Here is the vector J' * v:" << endl << v << endl;
\ No newline at end of file
+cout << "Here is the vector J' * v:" << endl << v << endl;