Fix clock regexps

* lisp/org-clock.el (org-clock-in):
(org-clock-find-position): Remove erraneous space in regexp

Patch by Joe Vornehm Jr.

TINYCHANGE

lisp/org-clock.el

@@ -1115,7 +1115,7 @@ the clocking selection, associated with the letter `d'."
 	    (cond
 	     ((and org-clock-in-resume
 		   (looking-at
-		    (concat "^[ \t]* " org-clock-string
+		    (concat "^[ \t]*" org-clock-string
 			    " \\[\\([0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\}"
 			    " *\\sw+\.? +[012][0-9]:[0-5][0-9]\\)\\][ \t]*$")))
 	      (message "Matched %s" (match-string 1))
@@ -1247,7 +1247,7 @@ line and position cursor in that line."
       (goto-char beg)
       (when (and find-unclosed
 		 (re-search-forward
-		  (concat "^[ \t]* " org-clock-string
+		  (concat "^[ \t]*" org-clock-string
 			  " \\[\\([0-9]\\{4\\}-[0-9]\\{2\\}-[0-9]\\{2\\}"
 			  " *\\sw+ +[012][0-9]:[0-5][0-9]\\)\\][ \t]*$")
 		  end t))