Code change to avoid signed/unsigned mismatch warnings.

This makes pdfium code on Linux and Mac sign-compare warning free.
The warning flag will be re-enabled after checking on windows clang build.

BUG=pdfium:29
R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1841643002 .

1 files changed, 4 insertions, 5 deletions

diff --git a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
index 32517d6b54..bf691f41d2 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
@@ -1126,15 +1126,14 @@ void CPDF_StreamContentParser::Handle_SetColorPS_Fill() {
   if (!pLastParam) {
     return;
   }
-  int nargs = m_ParamCount;
-  int nvalues = nargs;
-  if (pLastParam->IsName()) {
+  uint32_t nargs = m_ParamCount;
+  uint32_t nvalues = nargs;
+  if (pLastParam->IsName())
     nvalues--;
-  }
   FX_FLOAT* values = NULL;
   if (nvalues) {
     values = FX_Alloc(FX_FLOAT, nvalues);
-    for (int i = 0; i < nvalues; i++) {
+    for (uint32_t i = 0; i < nvalues; i++) {
       values[i] = GetNumber(nargs - i - 1);
     }
   }