pcre: fix C++ static build problem

PCRE C++ unit tests fails to build properly for static scenarios since
it's not taken account for properly in the build system.
Just disable them, they're never installed to the target.
Fixes:
http://autobuild.buildroot.net/results/970/97027b981659502ff12c345c3caef4933cddb354/

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/pcre/pcre-02-no-cpp-tests.patch

@@ -0,0 +1,31 @@
+Disable PCRE C++ unit tests, they fail to build on static scenarios
+and they're not installed.
+
+Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
+
+diff -Nura pcre-8.33.orig/Makefile.in pcre-8.33/Makefile.in
+--- pcre-8.33.orig/Makefile.in	2013-05-28 06:09:27.000000000 -0300
++++ pcre-8.33/Makefile.in	2013-09-03 11:28:28.398198832 -0300
+@@ -123,12 +123,6 @@
+ @WITH_PCRE8_TRUE@am__append_20 = libpcreposix.la
+ @WITH_GCOV_TRUE@@WITH_PCRE8_TRUE@am__append_21 = $(GCOV_CFLAGS)
+ @WITH_PCRE_CPP_TRUE@am__append_22 = libpcrecpp.la
+-@WITH_PCRE_CPP_TRUE@am__append_23 = pcrecpp_unittest \
+-@WITH_PCRE_CPP_TRUE@	pcre_scanner_unittest \
+-@WITH_PCRE_CPP_TRUE@	pcre_stringpiece_unittest
+-@WITH_PCRE_CPP_TRUE@am__append_24 = pcrecpp_unittest \
+-@WITH_PCRE_CPP_TRUE@	pcre_scanner_unittest \
+-@WITH_PCRE_CPP_TRUE@	pcre_stringpiece_unittest
+ @WITH_GCOV_TRUE@@WITH_PCRE_CPP_TRUE@am__append_25 = $(GCOV_CXXFLAGS)
+ @WITH_GCOV_TRUE@@WITH_PCRE_CPP_TRUE@am__append_26 = $(GCOV_LIBS)
+ @WITH_GCOV_TRUE@@WITH_PCRE_CPP_TRUE@am__append_27 = $(GCOV_LIBS)
+@@ -360,9 +354,6 @@
+ @WITH_PCRE8_TRUE@am__EXEEXT_1 = pcregrep$(EXEEXT)
+ @WITH_REBUILD_CHARTABLES_TRUE@am__EXEEXT_2 = dftables$(EXEEXT)
+ @WITH_JIT_TRUE@am__EXEEXT_3 = pcre_jit_test$(EXEEXT)
+-@WITH_PCRE_CPP_TRUE@am__EXEEXT_4 = pcrecpp_unittest$(EXEEXT) \
+-@WITH_PCRE_CPP_TRUE@	pcre_scanner_unittest$(EXEEXT) \
+-@WITH_PCRE_CPP_TRUE@	pcre_stringpiece_unittest$(EXEEXT)
+ PROGRAMS = $(bin_PROGRAMS) $(noinst_PROGRAMS)
+ am__dftables_SOURCES_DIST = dftables.c
+ @WITH_REBUILD_CHARTABLES_TRUE@am_dftables_OBJECTS =  \