patch 8.2.4701: Kuka Robot Language files not recognized

Problem:    Kuka Robot Language files not recognized.
Solution:   Recognize *.src and *.dat files. (Patrick Meiser-Knosowski,
            closes #10096)

runtime/autoload/dist/ft.vim

@@ -896,6 +896,23 @@ export def FTtf()
   setf tf
 enddef
 
+# Determine if a *.src file is Kuka Robot Language
+export def FTsrc()
+  if exists("g:filetype_src")
+    exe "setf " .. g:filetype_src
+  elseif getline(nextnonblank(1)) =~? '^\s*\%(&\w\+\|\%(global\s\+\)\?def\>\)'
+    setf krl
+  endif
+enddef
+
+# Determine if a *.dat file is Kuka Robot Language
+export def FTdat()
+  if exists("g:filetype_dat")
+    exe "setf " .. g:filetype_dat
+  elseif getline(nextnonblank(1)) =~? '^\s*\%(&\w\+\|defdat\>\)'
+    setf krl
+  endif
+enddef
 
 # Uncomment this line to check for compilation errors early
 # defcompile