Fix TARGET_INCLUDE_DIRECTORIES for pcre2 posix targets (#374)

Author: Mizzrym1

CMakeLists.txt

@@ -708,7 +708,7 @@ IF(PCRE2_BUILD_PCRE2_8)
       VERSION ${LIBPCRE2_POSIX_VERSION}
       SOVERSION ${LIBPCRE2_POSIX_SOVERSION})
     TARGET_LINK_LIBRARIES(pcre2-posix-static pcre2-8-static)
-    TARGET_INCLUDE_DIRECTORIES(pcre2-posix-static PUBLIC ${PROJECT_BINARY_DIR})
+    TARGET_INCLUDE_DIRECTORIES(pcre2-posix-static PUBLIC ${PROJECT_SOURCE_DIR}/src)
     set(targets ${targets} pcre2-posix-static)
 
     IF(MSVC)
@@ -739,7 +739,7 @@ IF(PCRE2_BUILD_PCRE2_8)
     set(targets ${targets} pcre2-8-shared)
 
     ADD_LIBRARY(pcre2-posix-shared SHARED ${PCRE2POSIX_HEADERS} ${PCRE2POSIX_SOURCES})
-    TARGET_INCLUDE_DIRECTORIES(pcre2-posix-shared PUBLIC ${PROJECT_BINARY_DIR})
+    TARGET_INCLUDE_DIRECTORIES(pcre2-posix-shared PUBLIC ${PROJECT_SOURCE_DIR}/src)
     SET_TARGET_PROPERTIES(pcre2-posix-shared PROPERTIES
       COMPILE_DEFINITIONS PCRE2_CODE_UNIT_WIDTH=8
       MACHO_COMPATIBILITY_VERSION "${LIBPCRE2_POSIX_MACHO_COMPATIBILITY_VERSION}"