lua5.1, fix path for develop/headers/lua51 (#13704)

this brings it on par with the other lua_devel packages

dev-lang/lua/lua5.1-5.1.5.recipe

@@ -7,13 +7,13 @@ collection, making it ideal for configuration, scripting, and rapid prototyping.
 HOMEPAGE="http://www.lua.org"
 COPYRIGHT="1994-2009, Lua.org, PUC-Rio"
 LICENSE="MIT"
-REVISION="3"
+REVISION="4"
 SOURCE_URI="http://www.lua.org/ftp/lua-$portVersion.tar.gz"
 CHECKSUM_SHA256="2640fc56a795f29d28ef15e13c34a47e223960b0240e8cb0a82d9b0738695333"
 SOURCE_DIR="lua-$portVersion"
 PATCHES="lua-$portVersion.patchset"
 
-ARCHITECTURES="all"
+ARCHITECTURES="ALL"
 SECONDARY_ARCHITECTURES="x86 x86_gcc2"
 
 PROVIDES="
@@ -55,7 +55,7 @@ BUILD()
 INSTALL()
 {
     make install INSTALL_TOP="$prefix" INSTALL_MAN="$manDir/man1" \
-        INSTALL_INC="$includeDir/lua5.1" INSTALL_LMOD="$dataDir/lua/5.1" \
+        INSTALL_INC="$includeDir/lua51" INSTALL_LMOD="$dataDir/lua/5.1" \
         INSTALL_LIB="$libDir" INSTALL_BIN="$binDir"
 
 	mkdir -p $libDir/pkgconfig
@@ -81,7 +81,7 @@ INSTALL()
 
 	# The includes are in a subdirectory of includeDir, and fixPkgconfig breaks
 	# that.
-	sed -i -e "s,^includedir=.*,includedir=$prefix/$relativeIncludeDir/lua5.1," \
+	sed -i -e "s,^includedir=.*,includedir=$prefix/$relativeIncludeDir/lua51," \
    		$developLibDir/pkgconfig/lua.pc
 
 	packageEntries devel $developDir