Fix argument to onCertainlyPublish()

Author: idodeclare

src/org/opensolaris/opengrok/analysis/powershell/PowershellSymbolTokenizer.lex

@@ -103,7 +103,7 @@ import java.util.regex.Matcher;
     Matcher m = PoshUtils.GOTO_LABEL.matcher(capture);
     if (m.find()) {
         String label   = m.group(3);
-        onCertainlyPublish(label, yychar + yylength() - label.length());
+        onCertainlyPublish(label, m.start(3));
         return yystate();
     }
  }

test/org/opensolaris/opengrok/analysis/powershell/sample.psm1

@@ -474,3 +474,7 @@ function Install-LabCAMachine
 Write-Debug `$`{`}
 Write-Debug $false.$true.$param
 $(Write-Debug $true)
+
+:OuterLoop while ($true) {
+    while ($true) { break OuterLoop }
+}

test/org/opensolaris/opengrok/analysis/powershell/sample_xref.html

@@ -482,5 +482,9 @@
 <a class="l" name="474" href="#474">474</a><span class='fold-space'>&nbsp;</span><b>Write-Debug</b> `$`{`}
 <a class="l" name="475" href="#475">475</a><span class='fold-space'>&nbsp;</span><b>Write-Debug</b> $<b>false</b>.$<b>true</b>.$<b>param</b>
 <a class="l" name="476" href="#476">476</a><span class='fold-space'>&nbsp;</span>$(<b>Write-Debug</b> $<b>true</b>)
-<a class="l" name="477" href="#477">477</a><span class='fold-space'>&nbsp;</span></body>
+<a class="l" name="477" href="#477">477</a><span class='fold-space'>&nbsp;</span>
+<a class="l" name="478" href="#478">478</a><span class='fold-space'>&nbsp;</span><a class="xlbl" name="OuterLoop">:OuterLoop</a> <b>while</b> ($<b>true</b>) &#123;
+<a class="l" name="479" href="#479">479</a><span class='fold-space'>&nbsp;</span>    <b>while</b> ($<b>true</b>) &#123; <b>break</b> <a class="d intelliWindow-symbol" href="#OuterLoop" data-definition-place="defined-in-file">OuterLoop</a> &#125;
+<a class="hl" name="480" href="#480">480</a><span class='fold-space'>&nbsp;</span>&#125;
+<a class="l" name="481" href="#481">481</a><span class='fold-space'>&nbsp;</span></body>
 </html>

test/org/opensolaris/opengrok/analysis/powershell/samplesymbols.txt

@@ -562,3 +562,5 @@ CRLOverlapUnitsHours
 CRLOverlapUnits
 CRLOverlapUnitsHours
 CRLOverlapUnits
+:OuterLoop
+OuterLoop