removed trailing spaces

It seems that clang-format is quite picky about trailing spaces in source code

library.properties

@@ -1,9 +1,9 @@
 name=DS3231M
-version=1.0.6
+version=1.0.7
 author=Arnd <[email protected]>
 maintainer=Arnd <[email protected]>
-sentence=Arduino library to use the Maxim Integrated DS3231M RTC (Real-Time-Clock)
-paragraph=Allow control and reading of the Maxim Integrated DS3231M RTC (Real-Time-Clock)
+sentence=Arduino library to use the Maxim Integrated DS3231 and DS3231M RTC (Real-Time-Clock)
+paragraph=Allow control and reading of the Maxim Integrated DS3231/DS3231M RTC (Real-Time-Clock)
 category=Device Control
 url=https://github.com/Zanduino/DS3231M
 architectures=*

src/DS3231M.cpp

@@ -525,14 +525,14 @@ void DS3231M_Class::pinSquareWave() {
               the RS1 and RS2 bits to "0" so that the default is 1Hz for the DS3231. These
               bits are ignored by the DS3231M
   */
-  writeByte(DS3231M_CONTROL, readByte(DS3231M_CONTROL) & ~B00111000); 
+  writeByte(DS3231M_CONTROL, readByte(DS3231M_CONTROL) & ~B00111000);
 }  // of method pinSquareWave()
 void DS3231M_Class::pinSquareWave(const uint8_t rate) {
   /*!
    @brief     Sets the control register flag to make the INT/SQW Pin produce a square signal
    @detail    This call produces a 1Hz signal on the DS3231M, but on the DS3231 the rate parameter
               is used to set bits RS1 and RS2 to the appropriate frequency. allows the frequency to
-              be set, so ensure compatibility by setting the RS1 and RS2 bits to "0" so that the 
+              be set, so ensure compatibility by setting the RS1 and RS2 bits to "0" so that the
               default is 1Hz for the DS3231. B00 = 1Hz, B01 = 1.024kHz, B10 = 4.096kHz,
               and B11 = 8.192kHz
    @param[in] rate Code for Hz rate