patch 9.0.0427: Drupal theme files are not recognized

Problem:    Drupal theme files are not recognized.
Solution:   Use php filetype for Drupl theme files.  Remove trailing spaces.
            (Rodrigo Aguilera, closes #11096)
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index b70a9fe..d2bfa91 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -410,7 +410,7 @@
     \ 'perl': ['file.plx', 'file.al', 'file.psgi', 'gitolite.rc', '.gitolite.rc', 'example.gitolite.rc'],
     \ 'pf': ['pf.conf'],
     \ 'pfmain': ['main.cf'],
-    \ 'php': ['file.php', 'file.php9', 'file.phtml', 'file.ctp', 'file.phpt'],
+    \ 'php': ['file.php', 'file.php9', 'file.phtml', 'file.ctp', 'file.phpt', 'file.theme'],
     \ 'pike': ['file.pike', 'file.pmod'],
     \ 'pilrc': ['file.rcp'],
     \ 'pine': ['.pinerc', 'pinerc', '.pinercex', 'pinercex'],
@@ -535,7 +535,7 @@
     \ 'stata': ['file.ado', 'file.do', 'file.imata', 'file.mata'],
     \ 'stp': ['file.stp'],
     \ 'sudoers': ['any/etc/sudoers', 'sudoers.tmp', '/etc/sudoers', 'any/etc/sudoers.d/file'],
-    \ 'supercollider': ['file.quark'], 
+    \ 'supercollider': ['file.quark'],
     \ 'surface': ['file.sface'],
     \ 'svelte': ['file.svelte'],
     \ 'svg': ['file.svg'],
@@ -1355,7 +1355,7 @@
   unlet g:filetype_mod
   bwipe!
 
-  " RAPID header start with a line containing only "%%%", 
+  " RAPID header start with a line containing only "%%%",
   " but is not always present.
   call writefile(['%%%'], 'modfile.mod')
   split modfile.mod
@@ -1371,7 +1371,7 @@
   bwipe!
   call delete('modfile.Mod')
 
-  " RAPID is not case sensitive, embedded spaces, sysmodule, 
+  " RAPID is not case sensitive, embedded spaces, sysmodule,
   " file starts with empty line(s).
   call writefile(['', 'MODULE  rapidmödüle  (SYSMODULE,NOSTEPIN)'], 'modfile.MOD')
   split modfile.MOD
@@ -1499,7 +1499,7 @@
   unlet g:filetype_prg
   bwipe!
 
-  " RAPID header start with a line containing only "%%%", 
+  " RAPID header start with a line containing only "%%%",
   " but is not always present.
   call writefile(['%%%'], 'prgfile.prg')
   split prgfile.prg
@@ -1515,7 +1515,7 @@
   bwipe!
   call delete('prgfile.Prg')
 
-  " RAPID is not case sensitive, embedded spaces, sysmodule, 
+  " RAPID is not case sensitive, embedded spaces, sysmodule,
   " file starts with empty line(s).
   call writefile(['', 'MODULE  rapidmödüle  (SYSMODULE,NOSTEPIN)'], 'prgfile.PRG')
   split prgfile.PRG
@@ -1626,7 +1626,7 @@
   unlet g:filetype_sys
   bwipe!
 
-  " RAPID header start with a line containing only "%%%", 
+  " RAPID header start with a line containing only "%%%",
   " but is not always present.
   call writefile(['%%%'], 'sysfile.sys')
   split sysfile.sys
@@ -1642,7 +1642,7 @@
   bwipe!
   call delete('sysfile.Sys')
 
-  " RAPID is not case sensitive, embedded spaces, sysmodule, 
+  " RAPID is not case sensitive, embedded spaces, sysmodule,
   " file starts with empty line(s).
   call writefile(['', 'MODULE  rapidmödüle  (SYSMODULE,NOSTEPIN)'], 'sysfile.SYS')
   split sysfile.SYS
diff --git a/src/version.c b/src/version.c
index 1476781..dd12a26 100644
--- a/src/version.c
+++ b/src/version.c
@@ -704,6 +704,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    427,
+/**/
     426,
 /**/
     425,