MAINT: normalize line ends in Windows .bat files

Store with sane line ends, but use CRLF in work tree.

Author: pavoljuhas

.gitattributes

@@ -4,3 +4,4 @@
 /conda-recipe/  export-ignore
 /devutils  export-ignore
 .gitarchive.cfg  export-subst
+*.bat  text eol=crlf

conda-recipe/bld.bat

@@ -1,17 +1,17 @@
-%PYTHON% setup.py install
-if errorlevel 1 exit 1
-
-:: Add more build steps here, if they are necessary.
-
-set MENU_DIR=%PREFIX%\Menu
-if not exist (%MENU_DIR%) mkdir %MENU_DIR%
-
-cd %RECIPE_DIR%
-%PYTHON% expandpdfguibase.py menu-windows.json > %MENU_DIR%\menu-windows.json
-if errorlevel 1 exit 1
-
-copy pdfgui.ico %MENU_DIR%\
-if errorlevel 1 exit 1
-
-:: See http://docs.continuum.io/conda/build.html
-:: for a list of environment variables that are set during the build process.
+%PYTHON% setup.py install
+if errorlevel 1 exit 1
+
+:: Add more build steps here, if they are necessary.
+
+set MENU_DIR=%PREFIX%\Menu
+if not exist (%MENU_DIR%) mkdir %MENU_DIR%
+
+cd %RECIPE_DIR%
+%PYTHON% expandpdfguibase.py menu-windows.json > %MENU_DIR%\menu-windows.json
+if errorlevel 1 exit 1
+
+copy pdfgui.ico %MENU_DIR%\
+if errorlevel 1 exit 1
+
+:: See http://docs.continuum.io/conda/build.html
+:: for a list of environment variables that are set during the build process.