Indent: Add missing keywords for single line blocks

Includes support for `initial`, `forever`, and `repeat`.

Author: vhda

indent/verilog_systemverilog.vim

@@ -51,7 +51,7 @@ let s:vlog_define         = '^\s*`define\>'
 let s:vlog_case           = '\<case[zx]\?\>\s*('
 let s:vlog_join           = '\<join\(_any\|_none\)\?\>'
 
-let s:vlog_block_decl     = '\(\<\(while\|if\|foreach\|for\)\>\s*(\)\|\<\(else\|do\)\>\|' . s:vlog_always
+let s:vlog_block_decl     = '\(\<\(while\|if\|foreach\|for\|repeat\)\>\s*(\)\|\<\(initial\|forever\|else\|do\)\>\|' . s:vlog_always
 
 let s:vlog_context_end    = '\<end\(package\|function\|class\|module\|group\|generate\|program\|property\|sequence\|clocking\|interface\|task\)\>\|`endif\>'