Fix typos in code and comments

Change-Id: Ic3a174969b9a35f495d696b941c187973f69faba
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/210174
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
Tested-by: Julien Nabet <serval2412@yahoo.fr>

oox/source/ppt/pptshape.cxx

@@ -90,7 +90,7 @@ static const char* lclDebugSubType( sal_Int32 nType )
         case XML_hdr :
             return "hdr";
         case XML_ftr :
-            return "frt";
+            return "ftr";
         case XML_sldNum :
             return "sldNum";
         case XML_sldImg :
@@ -711,7 +711,7 @@ namespace
 
 // Function to find placeholder (ph) for a shape. No idea how MSO implements this, but
 // this order seems to work quite well
-// (probably it's unnecessary complicated / wrong. i.e. tdf#104202):
+// (probably it's unnecessarily complicated / wrong. i.e. tdf#104202):
 // 1. ph with nFirstSubType and the same oSubTypeIndex
 // 2. ph with nFirstSubType
 // 3. ph with nSecondSubType and the same oSubTypeIndex

reportbuilder/java/org/libreoffice/report/pentaho/SOReportJobFactory.java

@@ -132,7 +132,7 @@ public class SOReportJobFactory
         }
 
         /**
-         * This method is a simple helper function to used in the static component initialisation functions as well as
+         * This method is a simple helper function to be used in the static component initialisation functions as well as
          * in getSupportedServiceNames.
          */
         private static String[] getServiceNames()

reportbuilder/java/org/libreoffice/report/pentaho/output/text/TextRawReportTarget.java

@@ -347,7 +347,7 @@ public class TextRawReportTarget extends OfficeDocumentReportTarget
 
         // This is a rather cheap solution to the problem. In a sane world, we would have to feed the
         // footer multiple times. Right now, we simply rely on the balancing, which should make sure that
-        // the column's content are evenly distributed.
+        // the columns' contents are evenly distributed.
         final XmlWriter writer = getXmlWriter();
         final AttributeList attrs = new AttributeList();
         attrs.setAttribute(OfficeNamespaces.TEXT_NS, OfficeToken.STYLE_NAME, generateSectionStyle(numberOfColumns));