resolve some comments

Author: ellishg

compiler-rt/lib/sanitizer_common/sanitizer_file.cpp

@@ -164,7 +164,8 @@ void ReportFile::SetReportPath(const char *path) {
       const char *message = "ERROR: Path is too long: ";
       WriteToFile(kStderrFd, message, internal_strlen(message));
       WriteToFile(kStderrFd, path, 8);
-      WriteToFile(kStderrFd, "\n", internal_strlen("\n"));
+      message = "...\n";
+      WriteToFile(kStderrFd, message, internal_strlen(message));
       Die();
     }
   }

compiler-rt/test/sanitizer_common/TestCases/Posix/sanitizer_set_report_path_fail.cpp

@@ -12,8 +12,9 @@ int main(int argc, char **argv) {
     sprintf(buff, "%s/report", argv[0]);
     // ERROR1: Can't create directory: {{.*}}
   } else {
+    // Try setting a path that is too large.
     snprintf(buff, sizeof(buff), "%04095d", 42);
-    // ERROR2: Path is too long: 00000000
+    // ERROR2: Path is too long: 00000000...
   }
   __sanitizer_set_report_path(buff);
 }