Fix an out-of-boundary issue for wide string

fpdfsdk/src/fpdftext.cpp

Index: fpdfsdk/src/fpdftext.cpp
diff --git a/fpdfsdk/src/fpdftext.cpp b/fpdfsdk/src/fpdftext.cpp
index 1aa05421243a7dd29e3cbf9910c686cabd98ba38..16bea9784616f2a212ed84b9978c9159ded2103c 100644
--- a/fpdfsdk/src/fpdftext.cpp
+++ b/fpdfsdk/src/fpdftext.cpp
@@ -11,7 +11,7 @@
 #include <tchar.h>
 #endif
 
-        // jabdelmalek: commented out to build on Linux.  Not used.
+		// jabdelmalek: commented out to build on Linux.  Not used.
 	// extern HANDLE g_hModule;
 
 DLLEXPORT FPDF_TEXTPAGE STDCALL FPDFText_LoadPage(FPDF_PAGE page)
@@ -162,7 +162,9 @@ DLLEXPORT FPDF_SCHHANDLE STDCALL FPDFText_FindStart(FPDF_TEXTPAGE text_page,FPDF
 	try
 	{
 		textpageFind=IPDF_TextPageFind::CreatePageFind((IPDF_TextPage*)text_page);
-		textpageFind->FindFirst(CFX_WideString::FromUTF16LE(findwhat),flags,start_index);
+		FX_STRSIZE len = 0;
+		while (findwhat[len]) len++;

[palmer, 2014/07/12 00:54:39]

wcslen?

[Bo Xu, 2014/07/12 05:18:04]

Done.

+		textpageFind->FindFirst(CFX_WideString::FromUTF16LE(findwhat, len),flags,start_index);
 	}
 	catch (...)
 	{