Fix or condition typo ( '|' -> '||' )

googletest/include/gtest/internal/gtest-port.h

@@ -2395,7 +2395,7 @@ inline int Close(int fd) { return close(fd); }
 inline const char* StrError(int errnum) { return strerror(errnum); }
 #endif
 inline const char* GetEnv(const char* name) {
-#if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_WINDOWS_PHONE | GTEST_OS_WINDOWS_RT
+#if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_WINDOWS_PHONE || GTEST_OS_WINDOWS_RT
   // We are on Windows CE, which has no environment variables.
   static_cast<void>(name);  // To prevent 'unused argument' warning.
   return NULL;