i#1785: drinject should fail if app is not reg: return false if no co…

…nfig found

- return false in dr_inject_process_inject if no config for app is found

Fixes #1785

Review-URL: https://codereview.appspot.com/264670043

core/win32/injector.c

@@ -841,9 +841,6 @@ dr_inject_process_inject(void *data, bool force_injection,
         }
     }
 
-    if (!inject)
-        return false;
-
     if (library_path == NULL) {
         int err;
         err = get_process_parameter(info->pi.hProcess,
@@ -858,6 +855,9 @@ dr_inject_process_inject(void *data, bool force_injection,
         library_path = library_path_buf;
     }
 
+    if (!inject)
+        return false;
+
 #ifdef PARAMS_IN_REGISTRY
     /* don't set registry from environment if using debug key */
     if (!info->using_debugger_injection) {