dbghelp: Avoid signed-unsigned integer comparisons (try 2)

[Andrew Talbot]

Changelog:
    dbghelp: Avoid signed-unsigned integer comparisons.

diff --git a/dlls/dbghelp/elf_module.c b/dlls/dbghelp/elf_module.c
index 874835d..f8015c1 100644
--- a/dlls/dbghelp/elf_module.c
+++ b/dlls/dbghelp/elf_module.c
@@ -273,7 +273,7 @@ static BOOL elf_map_file(struct elf_map_file_data* emfd, struct image_file_map*
 {
     static const BYTE   elf_signature[4] = { ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3 };
     struct stat	        statbuf;
-    int                 i;
+    unsigned int        i;
     Elf_Phdr            phdr;
     size_t              tmp, page_mask = sysconf( _SC_PAGESIZE ) - 1;
     char*               filename;
diff --git a/dlls/dbghelp/msc.c b/dlls/dbghelp/msc.c
index 7a68e1d..ddabd07 100644
--- a/dlls/dbghelp/msc.c
+++ b/dlls/dbghelp/msc.c
@@ -1370,7 +1370,8 @@ static void codeview_snarf_linetab(const struct msc_debug_info* msc_dbg, const B
 {
     const BYTE*                 ptr = linetab;
     int				nfile, nseg;
-    int				i, j, k;
+    int                         i, j;
+    unsigned int                k;
     const unsigned int*         filetab;
     const unsigned int*         lt_ptr;
     const unsigned short*       linenos;
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