fixes

3 files changed, 2 insertions, 3 deletions

diff --git a/acinclude.m4 b/acinclude.m4
index 34b72b5..d336240 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -1,5 +1,3 @@
-AC_PREREQ(2.52)
-
 define(GNUPG_CHECK_ENDIAN,
   [ if test "$cross_compiling" = yes; then
         AC_MSG_WARN(cross compiling; assuming big endianess)
diff --git a/src/plugins/pdfextractor.c b/src/plugins/pdfextractor.c
index e31262d..e3baa35 100644
--- a/src/plugins/pdfextractor.c
+++ b/src/plugins/pdfextractor.c
@@ -452,6 +452,7 @@ libextractor_pdf_extract (const char *filename,
                      (!((data[pos] == '>') && (data[pos + 1] == '>'))))
                 pos++;
               meta = stndup (&data[spos], pos - spos);
+              mlen = 0; /* make gcc happy */
               if (i == 0)
                 {
                   dmeta = dateDecode (meta);
diff --git a/src/plugins/thumbnailextractorqt.cc b/src/plugins/thumbnailextractorqt.cc
index 7fb93cc..9ab3079 100644
--- a/src/plugins/thumbnailextractorqt.cc
+++ b/src/plugins/thumbnailextractorqt.cc
@@ -63,7 +63,7 @@ static EXTRACTOR_KeywordList * addKeyword(EXTRACTOR_KeywordType type,
    crashes and/or prints errors for bad
    formats, so we need to be rather
    conservative here) */
-static char * whitelist[] = {
+static const char * whitelist[] = {
   "image/x-bmp",
   "image/gif",
   "image/jpeg",