Allow text that fits exactly to be measured faster by changing < to <=. Patch from Daniel Bratell <bratell@lysator.liu.se>. r=shanjian sr=waterson b=90867

gfx/src/windows/nsRenderingContextWin.cpp

@@ -1644,7 +1644,7 @@ nsRenderingContextWin::GetTextDimensions(const char*       aString,
 
       // Find the nearest place to break that is less than or equal to
       // the estimated break offset
-      if (aLength < estimatedBreakOffset) {
+      if (aLength <= estimatedBreakOffset) {
         // All the characters should fit
         numChars = aLength - start;
         breakIndex = aNumBreaks - 1;