rename doc/ to docs/

See https://github.com/mxe/mxe/issues/1500

Makefile

@@ -5,7 +5,7 @@ TOP_DIR  := $(patsubst %/,%,$(dir $(MAKEFILE)))
 EXT_DIR  := $(TOP_DIR)/ext
 
 # GNU Make Standard Library (http://gmsl.sourceforge.net/)
-# See doc/gmsl.html for further information
+# See docs/gmsl.html for further information
 include $(EXT_DIR)/gmsl
 
 MXE_TRIPLETS       := i686-w64-mingw32 x86_64-w64-mingw32

index.html

@@ -2942,7 +2942,7 @@ local-pkg-list: $(LOCAL_PKG_LIST)</pre>
         </p>
 
         <p>
-        The <a href="doc/gmsl.html">GNU Make Standard Library</a> is also
+        The <a href="docs/gmsl.html">GNU Make Standard Library</a> is also
         available (though it should be unnecessary for most packages).
         </p>
 

tools/build-pkg.lua

@@ -1031,7 +1031,7 @@ local function makeMxeSourcePackage()
         'patch.mk',
         'README.md',
         'assets',
-        'doc',
+        'docs',
         'ext',
         'index.html',
         'src',

tools/update-gmsl

@@ -26,10 +26,10 @@ if [ $current_version != $latest_version ]; then
     $WGET -q -O tmp-gmsl.tar.gz \
         "http://downloads.sourceforge.net/project/gmsl/GNU%20Make%20Standard%20Library/v${latest_version}/gmsl-${latest_version}.tar.gz"
     tar xzf tmp-gmsl.tar.gz
-    rm -f ext/*gmsl doc/gmsl*
+    rm -f ext/*gmsl docs/gmsl*
     cp -a gmsl-${latest_version}/gmsl ext/
     cp -a gmsl-${latest_version}/__gmsl ext/
-    cp -a gmsl-${latest_version}/index.html doc/gmsl.html
+    cp -a gmsl-${latest_version}/index.html docs/gmsl.html
     clean
 else
     echo "No new version available: $current_version"