Infrastructure: Fix .gitattributes typo eof -> eol. Also update README

Add to README: git config --global core.fileMode false
diff --git a/.gitattributes b/.gitattributes
old mode 100644
new mode 100755
index cade390..2929e83
--- a/.gitattributes
+++ b/.gitattributes
@@ -8,10 +8,10 @@
 *.txt text
 
 # source code can be native and normalized, but simpler if lf everywhere; will try that way
-*.h text eof=lf
-*.c text eof=lf
-*.cpp text eof=lf
-*.y text eof=lf
-*.out text eof=lf
-*.conf text eof=lf
-*.err text eof=lf
+*.h text eol=lf
+*.c text eol=lf
+*.cpp text eol=lf
+*.y text eol=lf
+*.out text eol=lf
+*.conf text eol=lf
+*.err text eol=lf
diff --git a/README.md b/README.md
old mode 100644
new mode 100755
index ba7160d..7d4fe3a
--- a/README.md
+++ b/README.md
@@ -127,6 +127,9 @@
 
 The CMake GUI also works for Windows (version 3.4.1 tested).
 
+Also, consider using `git config --global core.fileMode false` (or with `--local`) on Windows
+to prevent the addition of execution permission on files.
+
 #### 4) Build and Install
 
 ```bash