Reorder ruby.pc variables

Moved variables obviously independent from others first.

template/ruby.pc.in

@@ -1,21 +1,21 @@
-arch=@arch@
-sitearch=@sitearch@
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-bindir=@bindir@
-libdir=@libdir@
-includedir=@includedir@
 MAJOR=@MAJOR@
 MINOR=@MINOR@
 TEENY=@TEENY@
 ruby_version=@ruby_version@
 RUBY_API_VERSION=@RUBY_API_VERSION@
 RUBY_PROGRAM_VERSION=@RUBY_PROGRAM_VERSION@
+arch=@arch@
+sitearch=@sitearch@
+
 RUBY_BASE_NAME=@RUBY_BASE_NAME@
 RUBY_VERSION_NAME=@RUBY_VERSION_NAME@
 RUBY_SO_NAME=@RUBY_SO_NAME@
 RUBY_INSTALL_NAME=@RUBY_INSTALL_NAME@
-DEFFILE=@DEFFILE@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+bindir=@bindir@
+libdir=@libdir@
+includedir=@includedir@
 archlibdir=@archlibdir@
 sitearchlibdir=@sitearchlibdir@
 archincludedir=@archincludedir@
@@ -49,6 +49,7 @@ LIBRUBYARG_STATIC=@LIBRUBYARG_STATIC@
 LIBRUBYARG=@LIBRUBYARG@
 LIBS=@LIBS@
 DLDFLAGS=@DLDFLAGS@
+DEFFILE=@DEFFILE@
 
 Name: Ruby
 Description: Object Oriented Script Language